anchor.diff:  "El Salvador",SV,1992,0.328776895989512
   "El Salvador",SV,1991,0.322544786987819
   "El Salvador",SV,1990,0.312045145918294
  -"Equatorial Guinea",GQ,2014,269.2494813696
  -"Equatorial Guinea",GQ,2013,300.281361826738
  -"Equatorial Guinea",GQ,2012,309.456800841418
  +"Equatorial Guinea",GQ,2015,218.950843738639
  +"Equatorial Guinea",GQ,2014,268.234135330376
  +"Equatorial Guinea",GQ,2013,299.749917972673
  +"Equatorial Guinea",GQ,2012,309.353308551848
   "Equatorial Guinea",GQ,2011,294.571859942474
  -"Equatorial Guinea",GQ,2010,237.293507419671
  -"Equatorial Guinea",GQ,2009,177.086376646029
  -"Equatorial Guinea",GQ,2008,253.263469345298
  -"Equatorial Guinea",GQ,2007,204.317786571842
  -"Equatorial Guinea",GQ,2006,217.983392774599
  -"Equatorial Guinea",GQ,2005,219.356332126112
  -"Equatorial Guinea",GQ,2004,142.104923377294
  -"Equatorial Guinea",GQ,2003,124.879371769899
  -"Equatorial Guinea",GQ,2002,126.565061456496
  -"Equatorial Guinea",GQ,2001,130.574849426164
  -"Equatorial Guinea",GQ,2000,151.712868503894
  -"Equatorial Guinea",GQ,1999,94.1907329160092
  -"Equatorial Guinea",GQ,1998,68.7221802292424
  -"Equatorial Guinea",GQ,1997,101.51080697668
  -"Equatorial Guinea",GQ,1996,118.877154027244
  -"Equatorial Guinea",GQ,1995,120.061380329393
  -"Equatorial Guinea",GQ,1994,113.822922665553
  -"Equatorial Guinea",GQ,1993,93.3499044590929
  -"Equatorial Guinea",GQ,1992,98.2160133795847
  -"Equatorial Guinea",GQ,1991,118.774287435621
  -"Equatorial Guinea",GQ,1990,118.517818771957
  +"Equatorial Guinea",GQ,2010,237.378622134176
  +"Equatorial Guinea",GQ,2009,177.149895688563
  +"Equatorial Guinea",GQ,2008,253.354312319141
  +"Equatorial Guinea",GQ,2007,204.391073238053
  +"Equatorial Guinea",GQ,2006,218.061581151704
  +"Equatorial Guinea",GQ,2005,219.435012962291
  +"Equatorial Guinea",GQ,2004,142.155894936164
  +"Equatorial Guinea",GQ,2003,124.924164702463
  +"Equatorial Guinea",GQ,2002,126.610459028428
  +"Equatorial Guinea",GQ,2001,130.62168526736
  +"Equatorial Guinea",GQ,2000,151.767286332808
  +"Equatorial Guinea",GQ,1999,94.2245181528169
  +"Equatorial Guinea",GQ,1998,68.7468301609406
  +"Equatorial Guinea",GQ,1997,101.547217847963
  +"Equatorial Guinea",GQ,1996,118.919794026695
  +"Equatorial Guinea",GQ,1995,120.104445098508
  +"Equatorial Guinea",GQ,1994,113.863749764752
  +"Equatorial Guinea",GQ,1993,93.3833880994732
  +"Equatorial Guinea",GQ,1992,98.2512424426528
  +"Equatorial Guinea",GQ,1991,118.816890537895
  +"Equatorial Guinea",GQ,1990,118.560329881587
   "Eritrea",ER,2011,5.932087
  -"Eritrea",ER,2010,5.34190672330565
  -"Eritrea",ER,2009,4.84625610435272
  -"Eritrea",ER,2008,3.77057168610694
  -"Eritrea",ER,2007,3.31207865176264
  -"Eritrea",ER,2006,3.1692431437198
  -"Eritrea",ER,2005,2.93248348155052
  -"Eritrea",ER,2004,2.81242931302057
  -"Eritrea",ER,2003,2.31552867462568
  -"Eritrea",ER,2002,1.93784078095437
  -"Eritrea",ER,2001,1.69402636280809
  +"Eritrea",ER,2010,5.34190670499088
  +"Eritrea",ER,2009,4.84625612306049
  +"Eritrea",ER,2008,3.77057168598258
  +"Eritrea",ER,2007,3.31207863513069
  +"Eritrea",ER,2006,3.16924314357547
  +"Eritrea",ER,2005,2.93248346679239
  +"Eritrea",ER,2004,2.8124293024192
  +"Eritrea",ER,2003,2.31552869026504
  +"Eritrea",ER,2002,1.9378407880485
  +"Eritrea",ER,2001,1.69402637476545
   "Eritrea",ER,2000,1.50562448849003
  -"Eritrea",ER,1999,1.23212906179623
  -"Eritrea",ER,1998,1.22263701029174
  -"Eritrea",ER,1997,1.13272397169293
  -"Eritrea",ER,1996,1.10889525126917
  -"Eritrea",ER,1995,1.03519637823931
  -"Eritrea",ER,1994,0.962377594400214
  -"Eritrea",ER,1993,0.890011004390096
  -"Eritrea",ER,1992,0.923966724080128
  -"Estonia",EE,2014,0.563963
  -"Estonia",EE,2013,0.550572
  -"Estonia",EE,2012,0.539059
  +"Eritrea",ER,1999,1.23212906841492
  +"Eritrea",ER,1998,1.22263701988336
  +"Eritrea",ER,1997,1.13272397454703
  +"Eritrea",ER,1996,1.10889525876154
  +"Eritrea",ER,1995,1.03519637079718
  +"Eritrea",ER,1994,0.962377589606945
  +"Eritrea",ER,1993,0.890011002642867
  +"Eritrea",ER,1992,0.923966728176579
  +"Estonia",EE,2015,0.555093
  +"Estonia",EE,2014,0.53966
  +"Estonia",EE,2013,0.531007
  +"Estonia",EE,2012,0.525177
   "Estonia",EE,2011,0.524162
  -"Estonia",EE,2010,0.523934
  -"Estonia",EE,2009,0.524424
  +"Estonia",EE,2010,0.523573
  +"Estonia",EE,2009,0.524592
   "Estonia",EE,2008,0.548811
  -"Estonia",EE,2007,0.55489
  -"Estonia",EE,2006,0.519899
  +"Estonia",EE,2007,0.554946
  +"Estonia",EE,2006,0.520222
   "Estonia",EE,2005,0.50198
  -"Estonia",EE,2004,0.485714
  -"Estonia",EE,2003,0.480015
  +"Estonia",EE,2004,0.485845
  +"Estonia",EE,2003,0.479968
   "Estonia",EE,2002,0.477395
  -"Estonia",EE,2001,0.47656
  -"Estonia",EE,2000,0.454935
  +"Estonia",EE,2001,0.476445
  +"Estonia",EE,2000,0.455057
   "Estonia",EE,1999,0.443908
  -"Estonia",EE,1998,0.42937
  -"Estonia",EE,1997,0.400957
  -"Estonia",EE,1996,0.370194
  -"Estonia",EE,1995,0.304212
  -"Estonia",EE,1994,0.236134
  -"Estonia",EE,1993,0.172665
  -"Ethiopia",ET,2014,7.29509461949801
  -"Ethiopia",ET,2013,6.67045296712639
  -"Ethiopia",ET,2012,6.45349721179411
  +"Estonia",EE,1998,0.429585
  +"Estonia",EE,1997,0.401264
  +"Estonia",EE,1996,0.370568
  +"Estonia",EE,1995,0.30457
  +"Estonia",EE,1994,0.236518
  +"Estonia",EE,1993,0.172945
  +"Ethiopia",ET,2015,7.65408733925824
  +"Ethiopia",ET,2014,7.26853713500616
  +"Ethiopia",ET,2013,6.65819868082538
  +"Ethiopia",ET,2012,6.45052993608094
   "Ethiopia",ET,2011,4.919337203074
   "Ethiopia",ET,2010,4.18192968175469
   "Ethiopia",ET,2009,4.17272758697744
  
positive.code: "Saudi Arabia",SA,1992,1.13210023649477
  "Saudi Arabia",SA,1991,1.16734277910843
  "Saudi Arabia",SA,1990,1.17013595750419
  "Senegal",SN,2014,226.138990166765
  "Senegal",SN,2013,229.26314255868
  "Senegal",SN,2012,234.056413565753
  "Senegal",SN,2011,236.287125919422
  "Senegal",SN,2010,230.684860870358
  "Senegal",SN,2009,229.778132088078
  "Senegal",SN,2008,234.952400273212
  "Senegal",SN,2007,224.096217593805
  "Senegal",SN,2006,218.443461441201
  "Senegal",SN,2005,216.511496442095
  "Senegal",SN,2004,218.063307241128
  "Senegal",SN,2003,222.877697506041
  "Senegal",SN,2002,226.162817986703
  "Senegal",SN,2001,222.299219710236
  "Senegal",SN,2000,221.573589948786
  "Senegal",SN,1999,222.285817596793
  "Senegal",SN,1998,224.918987116205
  "Senegal",SN,1997,221.261997440762
  "Senegal",SN,1996,220.526592987533
  "Senegal",SN,1995,215.260462076805
  "Senegal",SN,1994,204.670216689955
  "Senegal",SN,1993,156.116350904765
  "Senegal",SN,1992,160.038242672396
  "Senegal",SN,1991,165.221763672284
  "Senegal",SN,1990,171.96657890254
  "Serbia",RS,2014,42.9668442238431
  "Serbia",RS,2013,41.5584523665416
  "Serbia",RS,2012,38.8790378478014
  "Serbia",RS,2011,37.4678598151325
  "Serbia",RS,2010,35.6331363660686
  "Serbia",RS,2009,33.3222336065574
  "Serbia",RS,2008,31.4009907576244
  "Serbia",RS,2007,30.5202532983246
  "Serbia",RS,2006,28.0215938722295
  "Serbia",RS,2005,26.5643626608543
  "Serbia",RS,2004,23.9825579461903
  "Serbia",RS,2003,22.5893211499526
  "Serbia",RS,2002,20.4635160863776
  "Serbia",RS,2001,17.6017274223531
  "Serbia",RS,2000,9.51300520685152
  "Serbia",RS,1999,5.44828954808433
  "Serbia",RS,1998,4.15176517854582
  "Serbia",RS,1997,3.34638470714015
  "Serbia",RS,1996,2.87456817039693
  "Serbia",RS,1995,1.5802559394885
  "Seychelles",SC,2014,7.50840959578236
  "Seychelles",SC,2013,7.3853326305599
  "Seychelles",SC,2012,7.30080251698118
  "Seychelles",SC,2011,6.69042780319479
  "Seychelles",SC,2010,6.53546739281748
  "Seychelles",SC,2009,6.90560751320958
  "Seychelles",SC,2008,5.45734207302954
  "Seychelles",SC,2007,4.12330612408605
  "Seychelles",SC,2006,3.78589013889208
  "Seychelles",SC,2005,3.84671982161439
  "Seychelles",SC,2004,3.95236601464495
  "Seychelles",SC,2003,3.25732802766603
  "Seychelles",SC,2002,3.13580022210536
  "Seychelles",SC,2001,3.07290936938158
  "Seychelles",SC,2000,2.96065739182357
  "Seychelles",SC,1999,2.91202077263842
  "Seychelles",SC,1998,2.8970033801586
  "Seychelles",SC,1997,2.80594005126921
  "Seychelles",SC,1996,2.82336542683937
  "Seychelles",SC,1995,2.91964783754815
  "Seychelles",SC,1994,3.00393503262318
  "Seychelles",SC,1993,3.03865756189913
  "Seychelles",SC,1992,2.98837165965812
  "Seychelles",SC,1991,2.91985663680274
  "Seychelles",SC,1990,3.07997307008555
  "Sierra Leone",SL,2014,1762.51777219098
  "Sierra Leone",SL,2013,1791.64781791634
  "Sierra Leone",SL,2012,1704.28084502414
  "Sierra Leone",SL,2011,1553.13859999819
  "Sierra Leone",SL,2010,1347.17140330338
  "Sierra Leone",SL,2009,1163.73180600694
  "Sierra Leone",SL,2008,1087.89781815445
  "Sierra Leone",SL,2007,1008.46926349358
  "Sierra Leone",SL,2006,969.424410777686
  "Sierra Leone",SL,2005,888.294667857654
  "Sierra Leone",SL,2004,786.239517283064
  "Sierra Leone",SL,2003,716.028259801704
  "Sierra Leone",SL,2002,645.179326638046
  "Sierra Leone",SL,2001,681.918986063687
  "Sierra Leone",SL,2000,401.858844302624
  "Sierra Leone",SL,1999,397.946042834384
  "Sierra Leone",SL,1998,344.758617339026
  "Sierra Leone",SL,1997,281.559111867398
  "Sierra Leone",SL,1996,280.068703445348
  "Sierra Leone",SL,1995,220.080598494891
  "Sierra Leone",SL,1994,168.169273804297
  "Sierra Leone",SL,1993,137.330348714628
  "Sierra Leone",SL,1992,110.93725495847
  "Sierra Leone",SL,1991,62.3359491562567
  "Sierra Leone",SL,1990,28.1562946490292
  "Singapore",SG,2014,0.861711902551885
  "Singapore",SG,2013,0.872376182553267
  "Singapore",SG,2012,0.885916786598835
  "Singapore",SG,2011,0.891483855125981
  "Singapore",SG,2010,0.899428742859235
  "Singapore",SG,2009,0.910832780599549
  "Singapore",SG,2008,0.886534900040078
  "Singapore",SG,2007,0.917612478683684
  "Singapore",SG,2006,0.889877563396628
  "Singapore",SG,2005,0.90170774249532
  "Singapore",SG,2004,0.910453210383594
  "Singapore",SG,2003,0.897351563422583
  "Singapore",SG,2002,0.931145880747571
  "Singapore",SG,2001,0.957395579933802
  "Singapore",SG,2000,1.00167954600637
  "Singapore",SG,1999,0.98754658983943
  "Singapore",SG,1998,1.04333726157086
  "Singapore",SG,1997,1.06917242860058
  "Singapore",SG,1996,1.07632677681785
  "Singapore",SG,1995,1.08008327650646
  "Singapore",SG,1994,1.06749573757137
  "Singapore",SG,1993,1.05158374588115
  "Singapore",SG,1992,1.04117947835713
  "Singapore",SG,1991,1.05441172415295
  "Singapore",SG,1990,1.0432559273672
  "Sint Maarten (Dutch part)",SX,2011,1.37905369912768
  "Slovak Republic",SK,2014,0.503217
  "Slovak Republic",SK,2013,0.513071
  "Slovak Republic",SK,2012,0.519036
  "Slovak Republic",SK,2011,0.518487
  "Slovak Republic",SK,2010,0.510186
  "Slovak Republic",SK,2009,0.511139
  "Slovak Republic",SK,2008,0.532656
  "Slovak Republic",SK,2007,0.545684
  "Slovak Republic",SK,2006,0.554781
  "Slovak Republic",SK,2005,0.56596
  "Slovak Republic",SK,2004,0.572372
  "Slovak Republic",SK,2003,0.554157
  "Slovak Republic",SK,2002,0.527778
  "Slovak Republic",SK,2001,0.521411
  "Slovak Republic",SK,2000,0.525411
  "Slovak Republic",SK,1999,0.500586
  "Slovak Republic",SK,1998,0.470524
  "Slovak Republic",SK,1997,0.455229
  "Slovak Republic",SK,1996,0.443387
  "Slovak Republic",SK,1995,0.432963
  "Slovak Republic",SK,1994,0.402211
  "Slovak Republic",SK,1993,0.362076
  "Slovak Republic",SK,1992,0.321316
  "Slovenia",SI,2014,0.603714
  "Slovenia",SI,2013,0.607999
  "Slovenia",SI,2012,0.615212
  "Slovenia",SI,2011,0.630343
  "Slovenia",SI,2010,0.641435
  "Slovenia",SI,2009,0.644424
  "Slovenia",SI,2008,0.634347
  "Slovenia",SI,2007,0.629266
  "Slovenia",SI,2006,0.607437
  "Slovenia",SI,2005,0.611603
  "Slovenia",SI,2004,0.610563
  "Slovenia",SI,2003,0.614087
  "Slovenia",SI,2002,0.588417
  "Slovenia",SI,2001,0.564891
  "Slovenia",SI,2000,0.531451
  "Slovenia",SI,1999,0.510587
  "Slovenia",SI,1998,0.485045
  "Slovenia",SI,1997,0.461859
  "Slovenia",SI,1996,0.434289
  "Slovenia",SI,1995,0.399284
  "Slovenia",SI,1994,0.325038
  "Slovenia",SI,1993,0.270787
  "Slovenia",SI,1992,0.20224
  "Slovenia",SI,1991,0.06712
  "Slovenia",SI,1990,0.03558
  "Solomon Islands",SB,2014,7.00752474334101
  "Solomon Islands",SB,2013,6.5376593517003
  "Solomon Islands",SB,2012,6.66018469881257
  "Solomon Islands",SB,2011,6.37486212403798
  "Solomon Islands",SB,2010,5.87466326449585
  "Solomon Islands",SB,2009,5.65109216400978
  
negative.code: "Mozambique",MZ,1993,2.49535366984819
  "Mozambique",MZ,1992,1.72683180266725
  "Mozambique",MZ,1991,1.33267110962351
  "Mozambique",MZ,1990,0.720104343624134
  "Myanmar",MM,2011,234.973964234991
  "Namibia",NA,2015,5.75311439701575
  "Namibia",NA,2014,5.80708339111587
  "Namibia",NA,2013,5.53226475914848
  "Namibia",NA,2012,5.16869163348297
  "Namibia",NA,2011,4.66322919454663
  "Namibia",NA,2010,4.58504364111914
  "Namibia",NA,2009,4.48132240373399
  "Namibia",NA,2008,4.22142209575112
  "Namibia",NA,2007,3.88088363596157
  "Namibia",NA,2006,3.72668916693298
  "Namibia",NA,2005,3.51521994012304
  "Namibia",NA,2004,3.43823782324149
  "Namibia",NA,2003,3.46677271428459
  "Namibia",NA,2002,3.50066053889258
  "Namibia",NA,2001,3.21001954128508
  "Namibia",NA,2000,2.95091782076573
  "Namibia",NA,1999,2.68665245020431
  "Namibia",NA,1998,2.55649558034451
  "Namibia",NA,1997,2.38549303965733
  "Namibia",NA,1996,2.26884686038233
  "Namibia",NA,1995,2.00979474832176
  "Namibia",NA,1994,1.92498058489503
  "Namibia",NA,1993,1.62886644472757
  "Namibia",NA,1992,1.53478791133091
  "Namibia",NA,1991,1.42333257257026
  "Namibia",NA,1990,1.38747073991415
  "Nauru",NR,2011,0.998753796315207
  "Nepal",NP,2015,30.3129678362615
  "Nepal",NP,2014,28.9202211843876
  "Nepal",NP,2013,27.0424236676629
  "Nepal",NP,2012,25.787157305061
  "Nepal",NP,2011,24.6281041413949
  "Nepal",NP,2010,22.6841604516989
  "Nepal",NP,2009,19.9407946187229
  