Year % of GNI 1974 5.546432793554206 1975 5.185248867285609 1976 7.648374911736102 1977 6.680781370363683 1978 4.9384552658067085 1979 1.1525418877783433 1980 38.02935060647321 1981 30.041585260785727 1982 21.822470360941725 1983 22.470305642426986 1984 24.21219074830532 1985 15.84979128453531 1986 19.237181307041862 1987 23.77101185910605 1988 15.64998198724755 1989 42.61788761683696 1990 32.51638473350516 1991 27.156299052146238 1992 34.15676550501387 1993 34.8190248451899 1994 28.968763934383873 1995 4.681348524627225 1996 8.945305195860385 1997 7.074109367111171 1998 7.178395111544382 1999 8.297553820560761 2000 7.888965999090515 2001 14.416499592060202 2002 5.894797335605779 2003 10.35325563675076 2004 16.52984991346542 2005 10.616709956712803 2006 15.317768619595379 2007 19.18536785946214 2008 23.90982869453479 2009 17.866957335954044 2010 16.84653736078265 2011 15.806730740821463 2012 13.310786698786936 2013 8.604463811880082 2014 14.487250900097742 2015 12.933363636990181 2016 16.217210987890184 2017 15.128475207731327 2018 18.720959080734595 2019 16.712148536323454 2020 8.786889926915558 2021 11.446797989770216 2022 15.945606472147595