Year % of GNI 1982 33.7583412664268 1983 33.0245317982891 1984 34.726006873943 1985 35.1836016178549 1986 35.2528778164983 1987 37.2582550222205 1988 37.9941914940916 1989 35.858594461164 1990 36.596337531729 1991 38.4230935141279 1992 40.5851422417868 1993 41.7939126159333 1994 41.7734151739378 1995 40.1740522471088 1996 39.3253668355615 1997 40.2022772478009 1998 38.9775129668988 1999 37.0479474426092 2000 36.1775414512362 2001 37.8105458460361 2002 39.282451655835 2003 42.6761563782838 2004 45.7925450972327 2005 46.2809133903626 2006 48.3508440216193 2007 50.1616179779017 2008 51.4675923710228 2009 50.4574255553733 2010 51.547499440628 2011 49.6964793253869 2012 48.7786601229451 2013 47.7668341531069 2014 47.5554434494332 2015 45.6353457392674 2016 44.6018196332528 2017 44.9639648811866 2018 44.6820005730233 2019 43.8960151442058 2020 44.2809805544853 2021 45.3023643320634