Year % of GNI 1971 13.0043249867618 1972 11.6742424831249 1973 11.4720030528523 1974 9.77357713251124 1975 5.741944840184 1976 6.45883342568603 1977 6.17678352065687 1978 6.86665755566151 1979 6.20962787486069 1980 4.41305715571924 1981 2.48447413194899 1982 2.41519480412 1983 2.87737849512748 1984 3.37234756491939 1985 4.19460421279698 1986 5.90692481904312 1987 4.93025641737682 1988 6.19431927421568 1989 7.27650771057658 1990 8.59598939150235 1991 8.04718301221899 1992 7.63865251154356 1993 6.11103935877916 1994 6.42894705656515 1995 6.72259817196133 1996 6.01592507351694 1997 6.21227473950665 1998 6.72717326152699 1999 6.01515718667998 2000 5.81314940880309 2001 5.65515776368972 2002 5.60765550569427 2003 4.67599752635379 2004 7.1863294304566 2005 6.89393929431141 2006 9.28476409803904 2007 11.1712959129225 2008 9.74093984315588 2009 5.78532964477725 2010 7.6069711459002 2011 9.81993246326129 2012 8.55250524314971 2013 8.25607872047932 2014 9.46715498974648 2015 10.1621712764245 2016 10.444158578089 2017 10.8311088443163 2018 11.3912757349534 2019 10.899575917213 2020 9.40105125508755 2021 10.7034489796661