Year % of GNI 1970 26.313358207960462 1971 33.90027645405417 1972 32.40194688691611 1973 35.889894163829226 1974 35.85812236283284 1975 39.02383936962064 1976 40.58246288264667 1977 42.380287392108855 1978 50.52853596285154 1979 54.962020824754234 1980 77.08710861676418 1981 102.91459657458198 1982 127.53520238307627 1983 144.03680834839264 1984 134.58930090882987 1985 153.4224604425261 1986 135.2101475480309 1987 147.63183922257068 1988 143.4273628139514 1989 177.01582667635654 1990 187.32582487328645 1991 199.24357974293528 1992 189.11021661241273 1993 197.03252269326572 1994 230.7226511288376 1995 188.7452168039853 1996 173.95641623673967 1997 141.8610595740309 1998 123.55083675026037 1999 112.5978712651169 2000 123.82774075265137 2001 117.13573615764842 2002 107.83761065101748 2003 89.52638343225223 2004 89.10885140534586 2005 73.06040160150107 2006 79.75934507274663 2007 73.54087142538307 2008 55.36615652693262 2009 63.557686718959516 2010 48.773240553763955 2011 52.36803348398209 2012 36.80846896725789 2013 33.00304500423542 2014 20.457036271736648 2015 25.414645501729932 2016 24.206246151277377 2017 26.38471333813387 2018 28.470044640803017 2019 34.06532523304175 2020 41.29411692161732 2021 42.96895503934166 2022 47.11452378308993