Year % of GNI 1981 0.2190954925877186 1982 1.069726698574403 1983 2.2449136398437872 1984 4.110193520426057 1985 3.8461297090641824 1986 2.610659984625877 1987 3.520705943790155 1988 3.1089016596034416 1989 2.4335929859728136 1990 1.856994055156007 1991 2.4781545531928644 1992 2.965350482653863 1993 1.3565468943918422 1994 2.307506484307225 1995 2.0136034164392114 1996 1.6126723614183915 1997 3.0140379794841374 1998 3.8061295314951886 1999 3.488437290931047 2000 3.0774631326125053 2001 2.4607913060899573 2002 3.7816847187397937 2003 2.3842881142248653 2004 2.6522627431986128 2005 3.8057518990216073 2006 2.9720762765498807 2007 1.8223367377317161 2008 1.6394803285468174 2009 1.8194085713173376 2010 1.999138226351393 2011 1.9150358620089003 2012 1.938871149181667 2013 1.9827964898695556 2014 2.2162447444134816 2015 2.4760471580780425 2016 2.4416177609977066 2017 2.6193702899833773 2018 2.5887877163640005 2019 2.7479519600149387 2020 3.3264888974068554 2021 2.6927467162516505 2022 4.287451212162089