anchor.diff:  1988,154727,Reserved,1,
   1989,154729,Reserved,1,
   1990,154737,United States,0,USA
  -1991,154742,Russian Federation,13,
  +1991,154742,Russia,13,RUS
   1992,154743,Reserved,1,
   1993,154746,Japan,3,JPN
   1994,154748,Europe,8,
  
positive.code: 391,144820,Europe,8,
  392,144821,United States,0,USA
  393,144821,China,4,CHN
  394,144858,Russian Federation,13,
  395,144900,Japan,3,JPN
  396,144903,Argentina,20,ARG
  397,144931,Seychelles,21,SYC
  
negative.code: 1585,152921,United States,0,USA
  1586,152922,Europe,8,
  1587,152923,United States,0,USA
  1588,153007,Russia,13,RUS
  1589,152944,Europe,8,
  1590,152948,Europe,8,
  1591,153012,Reserved,1,
  