Year % of GNI 1970 6.3627094312998675 1971 5.590792431644291 1972 2.92913540569276 1973 2.6287895184912835 1974 2.8064939958083936 1975 4.6996738376103675 1976 5.116247691901701 1977 8.79058460125592 1978 12.535124899988611 1979 17.63342113327089 1980 17.977574776527433 1981 18.48721948358427 1982 22.61752810607725 1983 28.663186825896474 1984 35.725450199680644 1985 40.21694645662159 1986 48.297287795871505 1987 69.76888324088813 1988 75.57511883102872 1989 81.07684658756871 1990 81.17855606932571 1991 83.33457050608276 1992 95.99814882929965 1993 114.73132012049938 1994 123.39504315380472 1995 117.60424172238577 1996 132.23166312487095 1997 111.30381199004569 1998 126.69252541863317 1999 144.80064946507235 2000 127.24762564792758 2001 126.49685895128668 2002 151.80495412886702 2003 175.84919687125216 2004 152.92794393063173 2005 117.15293157623424 2006 108.48932586838205 2007 104.40031697488013 2008 86.4859445638783 2009 34.41181348790025 2010 30.71742054999807 2011 27.275318536752863 2012 28.533443266817414 2013 27.725692644041334 2014 25.613254035327653 2015 20.195519511814645 2016 22.840948758179323 2017 22.293495195540896 2018 21.911770275510012 2019 24.202166655571133 2020 24.86530046003816 2021 35.05245818296083 2022 28.463231397137374