Year % of GNI 1980 18.7549178124318 1981 32.8716844611056 1982 42.7816221054911 1983 28.3561318008525 1984 20.8754321596183 1985 18.3061840502648 1986 21.0519546032532 1987 21.1416332004939 1988 17.6375753342094 1989 22.3176072210448 1990 19.6545194402205 1991 15.304488052040734 1992 14.179669694745888 1993 15.81204637500783 1994 33.12479448667915 1995 41.03539535771703 1996 49.7806200346058 1997 59.2938270263297 1998 63.675163973564565 1999 66.13839373687489 2000 102.89068266832147 2005 87.71346965368024 2006 54.15246800387301 2007 50.32191887805526 2008 50.433953620398995 2009 33.25777510219388 2010 48.39960571841165 2011 44.52857559088996 2012 46.358909459971535 2013 37.8352135763298 2014 33.85475639118213 2015 19.888129895450962 2016 17.91021190299336 2017 24.181619266897872 2018 27.17289829714609 2019 25.253395023037143 2020 16.36581331603194 2021 21.34273232233702