anchor.diff:  "Argentina",AR,2013,3.94096684455872
   "Argentina",AR,2012,3.21815371513367
   "Argentina",AR,2011,2.73312783241272
  -"Argentina",AR,2010,2.25557148373002
  -"Argentina",AR,2009,1.88715394900075
  -"Argentina",AR,2008,1.6481014107406
  -"Argentina",AR,2007,1.36408481161634
  -"Argentina",AR,2006,1.21866090820724
  -"Argentina",AR,2005,1.10385832878798
  -"Argentina",AR,2004,1.03178803347406
  -"Argentina",AR,2003,0.895180744725721
  -"Argentina",AR,2002,0.825195078555923
  -"Argentina",AR,2001,0.642063803720318
  -"Argentina",AR,2000,0.66341649768666
  -"Argentina",AR,1999,0.671283862814114
  -"Argentina",AR,1998,0.693716389406148
  -"Argentina",AR,1997,0.713694800933323
  -"Argentina",AR,1996,0.729385404507235
  -"Argentina",AR,1995,0.743129894233817
  -"Argentina",AR,1994,0.735434659770053
  -"Argentina",AR,1993,0.730329409203853
  -"Argentina",AR,1992,0.77523999707409
  -"Argentina",AR,1991,0.683116557430102
  -"Argentina",AR,1990,0.293642788186282
  -"Hungary",HU,2019,139.084533
  -"Hungary",HU,2018,135.049605
  -"Hungary",HU,2017,135.603512
  +"Argentina",AR,2010,2.25557148371969
  +"Argentina",AR,2009,1.88715394904791
  +"Argentina",AR,2008,1.64810141073973
  +"Argentina",AR,2007,1.36408481160199
  +"Argentina",AR,2006,1.21866090820727
  +"Argentina",AR,2005,1.1038583288378
  +"Argentina",AR,2004,1.03178803348564
  +"Argentina",AR,2003,0.89518074471796
  +"Argentina",AR,2002,0.825195078578283
  +"Argentina",AR,2001,0.64206380368549
  +"Argentina",AR,2000,0.663416497706567
  +"Argentina",AR,1999,0.671283862798871
  +"Argentina",AR,1998,0.693716389442816
  +"Argentina",AR,1997,0.713694800916724
  +"Argentina",AR,1996,0.729385404487743
  +"Argentina",AR,1995,0.743129894209908
  +"Argentina",AR,1994,0.735434659802152
  +"Argentina",AR,1993,0.730329409250589
  +"Argentina",AR,1992,0.775239997133631
  +"Argentina",AR,1991,0.683116557379345
  +"Argentina",AR,1990,0.293642788182498
  +"Hungary",HU,2020,148.013252
  +"Hungary",HU,2019,143.232115
  +"Hungary",HU,2018,139.311557
  +"Hungary",HU,2017,136.036522
   "Hungary",HU,2016,132.033797
   "Hungary",HU,2015,132.55351
   "Hungary",HU,2014,129.414974
  
positive.code: "Romania",RO,1997,0.203271759418131
  "Romania",RO,1996,0.0878422344736194
  "Romania",RO,1995,0.0619466693533491
  "Romania",RO,1994,0.0439408464746889
  "Romania",RO,1993,0.0187760745671947
  "Romania",RO,1992,0.00587241655878888
  "Romania",RO,1991,0.00200302330201591
  "Romania",RO,1990,0.000701943297856053
  "United States",US,2019,1
  "United States",US,2018,1
  "United States",US,2017,1
  
negative.code: "Brazil",BR,2013,1.70127630233765
  "Brazil",BR,2012,1.60570442676544
  "Brazil",BR,2011,1.4732164144516
  "Brazil",BR,2010,1.38848819421514
  "Brazil",BR,2009,1.29553985526461
  "Brazil",BR,2008,1.2164514373361
  "Brazil",BR,2007,1.14003449100723
  "Brazil",BR,2006,1.09983988778572
  "Brazil",BR,2005,1.0612324954491
  "Brazil",BR,2004,1.01859517203101
  "Brazil",BR,2003,0.970763721251846
  "Brazil",BR,2002,0.866669186179161
  "Brazil",BR,2001,0.801815095723367
  "Brazil",BR,2000,0.75712783288436
  "Brazil",BR,1999,0.73296285657472
  "Brazil",BR,1998,0.688401029588849
  "Brazil",BR,1997,0.663477111590304
  "Brazil",BR,1996,0.626496026599112
  "Brazil",BR,1995,0.538560948266341
  "Brazil",BR,1994,0.290164163624194
  "Brazil",BR,1993,0.0123337455467504
  "Brazil",BR,1992,0.000600850891499601
  "Brazil",BR,1991,0.0000575316224321166
  "Brazil",BR,1990,0.000011566123545581
  "Puerto Rico",PR,2020,0.915292482712719
  "Puerto Rico",PR,2019,0.905551716494666
  "Puerto Rico",PR,2018,0.899832298004715
  "Puerto Rico",PR,2017,0.905278276646617
  "Puerto Rico",PR,2016,0.891701799348515
  "Puerto Rico",PR,2015,0.874984382157263
  