anchor.diff:  "Romania",RO,1997,0.203814853798167
   "Romania",RO,1996,0.0840165566561316
   "Romania",RO,1995,0.0591030991770168
  -"Romania",RO,1994,0.0446122397984521
  -"Romania",RO,1993,0.0190686295314614
  -"Romania",RO,1992,0.00596346581088666
  -"Romania",RO,1991,0.00203245874271813
  -"Romania",RO,1990,0.000712042268839313
  +"Romania",RO,1994,0.0446031947123497
  +"Romania",RO,1993,0.0190577461233801
  +"Romania",RO,1992,0.00596109348840648
  +"Romania",RO,1991,0.00203328289362552
  +"Romania",RO,1990,0.000712180557865033
   "Russian Federation",RU,2014,19.066331
   "Russian Federation",RU,2013,18.425035
   "Russian Federation",RU,2012,18.043495
  
positive.code: "Korea, Rep.",KR,1992,614.124699
  "Korea, Rep.",KR,1991,582.386605
  "Korea, Rep.",KR,1990,545.979926
  "Kosovo",XK,2014,0.325851163150951
  "Kosovo",XK,2013,0.329297559720426
  "Kosovo",XK,2012,0.328271679842247
  "Kosovo",XK,2011,0.3269386
  "Kosovo",XK,2010,0.318278198588003
  "Kosovo",XK,2009,0.307723554870806
  "Kosovo",XK,2008,0.305717716463118
  "Kosovo",XK,2007,0.2909985563561
  "Kosovo",XK,2006,0.295033353252155
  "Kosovo",XK,2005,0.293732230320257
  "Kosovo",XK,2004,0.313236661798722
  "Kosovo",XK,2003,0.334690276947849
  "Kosovo",XK,2002,0.348938180415575
  "Kosovo",XK,2001,0.348012479846919
  "Kosovo",XK,2000,0.319515579942379
  "Kuwait",KW,2013,0.18046235213231
  "Kuwait",KW,2012,0.181606075581774
  "Kuwait",KW,2011,0.171988259468889
  "Kuwait",KW,2010,0.149746186080088
  "Kuwait",KW,2009,0.1363505933383
  "Kuwait",KW,2008,0.165957994169028
  "Kuwait",KW,2007,0.142601228146787
  "Kuwait",KW,2006,0.140351676210291
  "Kuwait",KW,2005,0.124523902830459
  "Kuwait",KW,2004,0.105045064177113
  "Kuwait",KW,2003,0.097369016377424
  "Kuwait",KW,2002,0.0946495337628702
  "Kuwait",KW,2001,0.0913930012051062
  "Kuwait",KW,2000,0.101803479641478
  "Kuwait",KW,1999,0.0863876937884851
  "Kuwait",KW,1998,0.0742845089308129
  "Kuwait",KW,1997,0.0906323431437358
  "Kuwait",KW,1996,0.0967496080440952
  "Kuwait",KW,1995,0.0852867727212669
  "Kuwait",KW,1994,0.0830368268376009
  "Kuwait",KW,1993,0.0900928282558532
  "Kuwait",KW,1992,0.0995926452046526
  "Kyrgyz Republic",KG,2014,20.496698133265
  "Kyrgyz Republic",KG,2013,19.2682497156598
  "Kyrgyz Republic",KG,2012,18.9535462576063
  "Kyrgyz Republic",KG,2011,17.7567265360827
  "Kyrgyz Republic",KG,2010,14.7967539856786
  "Kyrgyz Republic",KG,2009,13.6116901844867
  "Kyrgyz Republic",KG,2008,13.1830845694029
  "Kyrgyz Republic",KG,2007,10.9983037149662
  "Kyrgyz Republic",KG,2006,9.82881654613757
  "Kyrgyz Republic",KG,2005,9.26102399802836
  "Kyrgyz Republic",KG,2004,8.92292840671952
  "Kyrgyz Republic",KG,2003,8.72269175923843
  "Kyrgyz Republic",KG,2002,8.55650821704399
  "Kyrgyz Republic",KG,2001,8.51538693079271
  "Kyrgyz Republic",KG,2000,8.11446291327469
  "Kyrgyz Republic",KG,1999,6.52536921420515
  "Kyrgyz Republic",KG,1998,4.81573865165214
  "Kyrgyz Republic",KG,1997,4.46288324540811
  "Kyrgyz Republic",KG,1996,3.80461110591008
  "Kyrgyz Republic",KG,1995,2.86240819489073
  "Kyrgyz Republic",KG,1994,2.05737328394557
  "Kyrgyz Republic",KG,1993,0.748075543795968
  "Kyrgyz Republic",KG,1992,0.0896358465120982
  "Kyrgyz Republic",KG,1991,0.00985627285034015
  "Kyrgyz Republic",KG,1990,0.00433839524215578
  "Lao PDR",LA,2014,2662.31256266122
  "Lao PDR",LA,2013,2694.32443338258
  "Lao PDR",LA,2012,2528.62497134677
  "Lao PDR",LA,2011,2467.75264098598
  "Lao PDR",LA,2010,2426.41662936481
  "Lao PDR",LA,2009,2232.39965648319
  "Lao PDR",LA,2008,2317.29815852957
  "Lao PDR",LA,2007,2170.38368264658
  "Lao PDR",LA,2006,2073.88350411711
  "Lao PDR",LA,2005,1929.1519143735
  "Lao PDR",LA,2004,1832.86003043993
  "Lao PDR",LA,2003,1701.37435196593
  "Lao PDR",LA,2002,1529.57184573219
  "Lao PDR",LA,2001,1460.75544490964
  "Lao PDR",LA,2000,1372.34412310889
  "Lao PDR",LA,1999,1124.67715672482
  "Lao PDR",LA,1998,500.885409803249
  "Lao PDR",LA,1997,274.422256668794
  "Lao PDR",LA,1996,233.860537896526
  "Lao PDR",LA,1995,209.390506114923
  "Lao PDR",LA,1994,178.599766625253
  "Lao PDR",LA,1993,169.358937493734
  "Lao PDR",LA,1992,155.949178799875
  "Lao PDR",LA,1991,150.484202166211
  "Lao PDR",LA,1990,137.639197732016
  "Latvia",LV,2014,0.517974637571502
  "Latvia",LV,2013,0.512984959448009
  "Latvia",LV,2012,0.515721804568547
  
negative.code: "Latvia",LV,1997,0.324160740721724
  "Latvia",LV,1996,0.308392716427016
  "Latvia",LV,1995,0.273549722599353
  "Lebanon",LB,2014,868.290581233625
  "Lebanon",LB,2013,871.491306471113
  "Lebanon",LB,2012,869.351441593048
  "Lebanon",LB,2011,838.9864
  "Lebanon",LB,2010,828.382591408687
  "Lebanon",LB,2009,837.164975162204
  "Lebanon",LB,2008,763.345280239901
  "Lebanon",LB,2007,723.874555283702
  "Lebanon",LB,2006,721.035557237756
  "Lebanon",LB,2005,737.47312051353
  "Lebanon",LB,2004,769.567700317825
  "Lebanon",LB,2003,814.488257926566
  "Lebanon",LB,2002,817.879695718219
  "Lebanon",LB,2001,791.107635357158
  "Lebanon",LB,2000,822.568727764376
  "Lebanon",LB,1999,859.245565657975
  "Lebanon",LB,1998,865.991491695312
  "Lebanon",LB,1997,840.982607029286
  "Lebanon",LB,1996,741.473672478734
  "Lebanon",LB,1995,701.103442380096
  "Lebanon",LB,1994,647.191382745293
  "Lebanon",LB,1993,580.810499410433
  "Lebanon",LB,1992,460.588454682949
  "Lebanon",LB,1991,214.141245991066
  "Lebanon",LB,1990,146.015022562337
  "Lesotho",LS,2014,4.2541187869961
  "Lesotho",LS,2013,4.04677358242646
  "Lesotho",LS,2012,3.92108029122156
  "Lesotho",LS,2011,3.92293886799081
  "Lesotho",LS,2010,3.64147111404085
  "Lesotho",LS,2009,3.60110471773934
  "Lesotho",LS,2008,3.48375164666459
  "Lesotho",LS,2007,3.13781109563201
  "Lesotho",LS,2006,2.90035656428003
  "Lesotho",LS,2005,2.80442236833646
  "Lesotho",LS,2004,2.72380535707507
  "Lesotho",LS,2003,2.63263894147661
  "Lesotho",LS,2002,2.65434390807484
  "Lesotho",LS,2001,2.38021705847659
  "Lesotho",LS,2000,2.23322339183152
  "Lesotho",LS,1999,2.19712425480734
  "Lesotho",LS,1998,2.07186274151716
  "Lesotho",LS,1997,1.86369065733501
  "Lesotho",LS,1996,1.74694487129537
  "Lesotho",LS,1995,1.66244022814116
  "Lesotho",LS,1994,1.48936121572815
  "Lesotho",LS,1993,1.40931732984954
  "Lesotho",LS,1992,1.29932485519759
  "Lesotho",LS,1991,1.16595471940139
  "Lesotho",LS,1990,1.049253318412
  "Liberia",LR,2014,0.544613478808285
  "Liberia",LR,2013,0.536977085757327
  "Liberia",LR,2012,0.52819522700834
  "Liberia",LR,2011,0.517058416504903
  "Liberia",LR,2010,0.477637027055801
  "Liberia",LR,2009,0.458380249960782
  "Liberia",LR,2008,0.357884271825589
  "Liberia",LR,2007,0.339922476212438
  "Liberia",LR,2006,0.312418381431654
  "Liberia",LR,2005,0.316796709432601
  "Liberia",LR,2004,0.297129073082551
  "Liberia",LR,2003,0.274558232785742
  "Liberia",LR,2002,0.255335939179184
  "Liberia",LR,2001,0.258111695084833
  "Liberia",LR,2000,0.275904688425851
  "Liberia",LR,1999,0.30306972682433
  "Liberia",LR,1998,0.304909358778426
  "Libya",LY,2014,0.536251707199299
  "Libya",LY,2013,0.657978488980953
  "Libya",LY,2012,0.716145392706243
  "Libya",LY,2011,0.6127731
  "Libya",LY,2010,0.528897075217514
  "Libya",LY,2009,0.468948623756978
  "Libya",LY,2008,0.632651856366592
  "Libya",LY,2007,0.529479102158769
  "Libya",LY,2006,0.48961402578805
  "Libya",LY,2005,0.461038776744419
  "Libya",LY,2004,0.370132034363931
  "Libya",LY,2003,0.310190072203423
  "Libya",LY,2002,0.276642391460071
  "Libya",LY,2001,0.220742857973675
  "Libya",LY,2000,0.210639121731913
  "Libya",LY,1999,0.190131589218839
  "Lithuania",LT,2014,0.465228806634182
  "Lithuania",LT,2013,0.459602348383973
  "Lithuania",LT,2012,0.462971764580429
  