anchor.diff:  US_WI,Physics,US,1956,http://en.wikipedia.org/wiki/John_Bardeen,John Bardeen,1/3,0
   China,Physics,US,1956,http://en.wikipedia.org/wiki/Walter_Houser_Brattain,Walter Houser Brattain,1/3,0
   UK_ENG,Physics,US,1956,http://en.wikipedia.org/wiki/William_Shockley,William Shockley,1/3,0
  -China,Physics,China|US,1957,http://en.wikipedia.org/wiki/Chen_Ning_Yang,Chen Ning Yang,1/2,0
  -China,Physics,China|US,1957,http://en.wikipedia.org/wiki/Tsung-Dao_Lee,Tsung-Dao Lee,1/2,0
  +China,Physics,China,1957,http://en.wikipedia.org/wiki/Chen_Ning_Yang,Chen Ning Yang,1/2,0
  +China,Physics,China,1957,http://en.wikipedia.org/wiki/Tsung-Dao_Lee,Tsung-Dao Lee,1/2,0
   Russia,Physics,Russia,1958,http://en.wikipedia.org/wiki/Pavel_Cherenkov,Pavel Cherenkov,1/3,0
   Russia,Physics,Russia,1958,http://en.wikipedia.org/wiki/Ilya_Frank,Ilya Frank,1/3,1/2
   Russia,Physics,Russia,1958,http://en.wikipedia.org/wiki/Igor_Tamm,Igor Tamm,1/3,1/2
  
positive.code: Germany,Physics,Germany,1918,http://en.wikipedia.org/wiki/Max_Planck,Max Planck,1,0
  Germany,Physics,Germany,1919,http://en.wikipedia.org/wiki/Johannes_Stark,Johannes Stark,1,0
  Switzerland,Physics,Switzerland,1920,http://en.wikipedia.org/wiki/Charles_%C3%89douard_Guillaume,Charles Édouard Guillaume,1,0
  Germany,Physics,Germany|Switzerland|US,1921,http://en.wikipedia.org/wiki/Albert_Einstein,Albert Einstein,1,1
  Denmark,Physics,Denmark,1922,http://en.wikipedia.org/wiki/Niels_Bohr,Niels Bohr,1,1/2
  US_IL,Physics,US,1923,http://en.wikipedia.org/wiki/Robert_Andrews_Millikan,Robert Andrews Millikan,1,0
  Sweden,Physics,Sweden,1924,http://en.wikipedia.org/wiki/Manne_Siegbahn,Manne Siegbahn,1,0
  Germany,Physics,Germany|US,1925,http://en.wikipedia.org/wiki/James_Franck,James Franck,1/2,1
  Germany,Physics,Germany,1925,http://en.wikipedia.org/wiki/Gustav_Ludwig_Hertz,Gustav Ludwig Hertz,1/2,1/4
  France,Physics,France,1926,http://en.wikipedia.org/wiki/Jean_Baptiste_Perrin,Jean Baptiste Perrin,1,0
  US_OH,Physics,US,1927,http://en.wikipedia.org/wiki/Arthur_Compton,Arthur Compton,1/2,0
  
negative.code: US_WI,Physiology and Medicine,US,1934,http://en.wikipedia.org/wiki/William_P._Murphy,William P. Murphy,1/3,0
  Germany,Physiology and Medicine,Germany,1935,http://en.wikipedia.org/wiki/Hans_Spemann,Hans Spemann,1,0
  UK_ENG,Physiology and Medicine,UK,1936,http://en.wikipedia.org/wiki/Henry_Hallett_Dale,Henry Hallett Dale,1/2,0
  Germany,Physiology and Medicine,Germany|Austria,1936,http://en.wikipedia.org/wiki/Otto_Loewi,Otto Loewi,1/2,1
  Hungary,Physiology and Medicine,Hungary,1937,http://en.wikipedia.org/wiki/Albert_Szent-Gy%C3%B6rgyi,Albert Szent-Györgyi,1,0
  Belgium,Physiology and Medicine,Belgium,1938,http://en.wikipedia.org/wiki/Corneille_Heymans,Corneille Heymans,1,0
  Poland,Physiology and Medicine,Germany,1939,http://en.wikipedia.org/wiki/Gerhard_Domagk,Gerhard Domagk,1,0
  Denmark,Physiology and Medicine,Denmark,1943,http://en.wikipedia.org/wiki/Henrik_Dam,Henrik Dam,1/2,0
  