Country,Region,Urban,Origin,Year1,Year2,AgeDef,Vitality,  TFR,  MAB,Collection,SourceType,   RefCode,Note,Split
    KEN,     .,    .,     ., 1999, 1999,   ACY,       1,5.035,28.06,      STAT,    census,    KEN_01,   .,    1
    KEN,     .,    .,     ., 2003, 2003,   ACY,       1,4.885,28.42,      STAT,    survey,    KEN_02,  23,    1
    KEN,     .,    .,     ., 2009, 2009,   ACY,       1,4.560,28.36,      STAT,    survey,    KEN_02,  23,    1
    KEN,     .,    .,     ., 2014, 2014,   ACY,       1,3.900,28.13,      STAT,    survey,    KEN_02,  23,    1