Year % of GNI 1977 10.790673128768333 1978 12.48897455267156 1979 16.47918701315738 1980 24.088754692612728 1981 17.867650860718815 1982 18.678761704603193 1983 10.099699274892833 1984 15.174946234799089 1985 14.1526864048443 1986 8.828569079533297 1987 10.62034669442106 1988 10.545982932015221 1989 13.171524926246317 1990 9.9930271086499 1991 8.312116530300143 1992 5.6001044381139895 1993 3.7256662569903973 1994 7.732329568304559 1995 9.570395576350489 1996 15.770934449804447 1997 5.089525139882329 1998 6.299132026762503 1999 3.2428216483193357 2000 5.194595796958266 2001 6.248876175795026 2002 9.696463924588906 2003 3.468282089861251 2004 8.805902613907849 2005 6.296304620189614 2006 5.239208489647047 2007 4.373266056629767 2008 4.767503721030684 2009 7.378762177874286 2010 6.699214128634747 2011 4.982896604365775 2012 5.389674053136099 2013 4.193915186775775 2014 3.2308609511160853 2015 2.257808825213655 2016 1.5420242560127815 2017 3.662709317066187 2018 4.843775068054147 2019 8.535967071998984 2020 12.540727843444929 2021 14.227098800198945 2022 9.771675690352124