Year % of GNI 1970 1.208776034688347 1971 1.1941082924612876 1972 0.6885717828715365 1973 0.7745840981870503 1974 0.9474881233095702 1975 1.9667132405266168 1976 1.8918972387156527 1977 1.1930378886091881 1978 1.8584211706514475 1979 1.8437852421932226 1980 2.4334230740942115 1981 1.6450748791227006 1982 1.7690752065270334 1983 2.75250359456573 1984 2.0380184793241445 1985 2.1526598700189616 1986 2.145576384186006 1987 3.1654167309398877 1988 4.018680741934753 1989 4.0319326954871775 1990 3.3300727939982844 1991 2.57778208113263 1992 3.2830221291477932 1993 3.383584235498459 1994 4.5519945249005715 1995 4.009049381941468 1996 4.512145498768759 1997 5.034583294421491 1998 5.242360650196652 1999 5.166526619240405 2000 7.741109491986775 2001 3.941766976839842 2002 2.974581399209816 2003 2.9947509939689145 2004 2.6477757365758765 2005 2.612419467249049 2006 1.2596102014484185 2007 0.8113610637648554 2008 0.710068499903132 2009 0.8508891824535054 2010 0.8441810063834163 2011 0.8006866218913491 2012 1.0781038212898786 2013 0.9172298101069725 2014 1.3798685313272754 2015 1.9442760682278792 2016 2.7739564034397315 2017 3.1049616462249787 2018 3.7389189616413327 2019 3.3909778944543203 2020 3.45997744468391 2021 3.822261930993187 2022 2.6637508555996114