anchor.diff:  Cyprus,CYP,2,18,3,35,86,21,22,37,49
   Spain,ESP,1,19,37,23,120,24,24,49,1
   Italy,ITA,0,20,38,22,102,11,44,65,19
  -United States of America,USA,1,21,26,41,114,28,39,53,7
  +United States,USA,1,21,26,41,114,28,39,53,7
   Costa Rica,CRI,4,22,61,64,35,25,19,42,76
   Malta,MLT,2,23,64,3,66,6,36,99,50
   Chile,CHL,3,24,52,47,42,27,18,31,114
  
positive.code: Cambodia,KHM,4,112,119,101,28,117,53,92,98
  Syrian Arab Republic,SYR,4,113,96,104,57,92,113,73,77
  Philippines,PHL,3,114,115,106,64,61,82,77,107
  Iran (Islamic Republic of),IRN,3,115,93,119,72,97,103,56,73
  Yemen,YEM,4,116,98,122,69,86,100,93,45
  Venezuela (Bolivarian Republic of),VEN,3,117,117,117,34,77,33,124,118
  Benin,BEN,5,118,97,115,7,78,121,107,96
  Indonesia,IDN,3,119,122,92,36,95,92,103,97
  Zimbabwe,ZWE,5,120,60,82,68,112,125,82,119
  Angola,AGO,6,121,124,112,78,116,28,95,108
  Azerbaijan,AZE,4,122,95,107,122,74,94,86,100
  Iraq,IRQ,5,123,125,116,84,124,65,120,59
  Viet Nam,VNM,4,124,89,76,103,123,123,79,111
  Libya,LBY,9,125,123,124,16,93,116,119,123
  ,,,,,,,,,,
  Reference ->,,,,,,,,,,
  Detailed data treatment ->,,,,,,,,,,
negative.code: Dominican Republic,DOM,5,101,108,69,99,46,89,113,35
  Congo,COG,4,102,121,111,60,103,8,46,117
  Nigeria,NGA,6,103,111,110,9,79,74,104,80
  Laos,LAO,8,104,77,118,93,98,27,118,36
  Sudan,SDN,4,105,118,125,118,96,54,32,24
  Pakistan,PAK,3,106,106,109,61,104,108,38,43
  China,CHN,1,107,54,91,59,94,96,108,70
  