Year % of GNI 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0.00814386469874016 1987 0.0253169595276748 1988 0.0396826134167085 1989 0.0533421195759572 1990 0.245625164485912 1991 0.311285050409096 1992 0.31460588068794 1993 0.334255977999521 1994 0.377331373473453 1995 0.465447681896274 1996 0.319041078480347 1997 0.40254487910232 1998 0.345735885706188 1999 0.366212482960205 2000 0.357615545424981 2001 0.31744465448608 2002 0.271204038994703 2003 0.300580666535351 2004 0.36785804245672 2005 0.424659497536518 2006 0.351950813226802 2007 0.115578077522212 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0