anchor.diff:  "Central African Republic",CF,2013,254.347152709961
   "Central African Republic",CF,2012,262.128997802734
   "Central African Republic",CF,2011,256.761352539063
  -"Central African Republic",CF,2010,252.021036799648
  -"Central African Republic",CF,2009,244.654553310248
  -"Central African Republic",CF,2008,244.777769175667
  -"Central African Republic",CF,2007,233.046176443551
  -"Central African Republic",CF,2006,234.98684418303
  -"Central African Republic",CF,2005,234.286797500349
  -"Central African Republic",CF,2004,231.87284783821
  -"Central African Republic",CF,2003,249.178341748514
  -"Central African Republic",CF,2002,250.458644774882
  -"Central African Republic",CF,2001,260.601465468085
  -"Central African Republic",CF,2000,265.18802567581
  -"Central African Republic",CF,1999,249.861513896012
  -"Central African Republic",CF,1998,243.521848553904
  -"Central African Republic",CF,1997,247.286885410084
  -"Central African Republic",CF,1996,249.496769208214
  -"Central African Republic",CF,1995,263.397423178739
  -"Central African Republic",CF,1994,244.700068952577
  -"Central African Republic",CF,1993,200.884318063887
  -"Central African Republic",CF,1992,212.954605459641
  -"Central African Republic",CF,1991,211.910913108675
  -"Central African Republic",CF,1990,219.934561681631
  -"Dominican Republic",DO,2019,22.0946855732483
  -"Dominican Republic",DO,2018,21.9689015906384
  +"Central African Republic",CF,2010,252.021036798494
  +"Central African Republic",CF,2009,244.654553316361
  +"Central African Republic",CF,2008,244.777769175538
  +"Central African Republic",CF,2007,233.0461764411
  +"Central African Republic",CF,2006,234.986844183035
  +"Central African Republic",CF,2005,234.286797510922
  +"Central African Republic",CF,2004,231.872847840812
  +"Central African Republic",CF,2003,249.178341746354
  +"Central African Republic",CF,2002,250.458644781668
  +"Central African Republic",CF,2001,260.601465453949
  +"Central African Republic",CF,2000,265.188025683768
  +"Central African Republic",CF,1999,249.861513890339
  +"Central African Republic",CF,1998,243.521848566776
  +"Central African Republic",CF,1997,247.286885404332
  +"Central African Republic",CF,1996,249.496769201546
  +"Central African Republic",CF,1995,263.397423170265
  +"Central African Republic",CF,1994,244.700068963258
  +"Central African Republic",CF,1993,200.884318076742
  +"Central African Republic",CF,1992,212.954605475996
  +"Central African Republic",CF,1991,211.91091309293
  +"Central African Republic",CF,1990,219.934561678797
  +"Dominican Republic",DO,2020,22.9044585558641
  +"Dominican Republic",DO,2019,22.1362890096706
  +"Dominican Republic",DO,2018,21.9764148790494
   "Dominican Republic",DO,2017,21.6132755279541
   "Dominican Republic",DO,2016,20.8188934326172
   "Dominican Republic",DO,2015,21.151008605957
  
positive.code: "Montenegro",ME,2002,0.314172137664232
  "Montenegro",ME,2001,0.314808195147784
  "Montenegro",ME,2000,0.293389959979408
  "Comoros",KM,2019,188.465816580834
  "Comoros",KM,2018,187.762791525231
  "Comoros",KM,2017,190.125900268555
  "Comoros",KM,2016,197.570556640625
  "Comoros",KM,2015,203.344039916992
  
negative.code: "New Zealand",NZ,1992,1.486938
  "New Zealand",NZ,1991,1.492342
  "New Zealand",NZ,1990,1.53859
  "Montenegro",ME,2020,0.327936264029931
  "Montenegro",ME,2019,0.340944903044673
  "Montenegro",ME,2018,0.347805274933894
  "Montenegro",ME,2017,0.350954176194695
  "Montenegro",ME,2016,0.349142444484564
  "Montenegro",ME,2015,0.359639701812274
  "Montenegro",ME,2014,0.3617846625635
  