Year % of GNI 1973 17.525950210939207 1974 18.72521704408025 1975 18.3779624008479 1976 24.46720449019176 1977 29.808217948702826 1978 31.9807436266612 1979 32.206372448513285 1980 35.319231697965066 1981 40.059181889486965 1982 46.466646896049234 1983 51.959392941131775 1984 53.24354625599255 1985 60.575749412929284 1986 61.22893504079959 1987 66.79608464509796 1988 63.837410727887175 1989 63.82735416172957 1990 62.26186725322904 1991 61.72332211903587 1992 77.05068827840424 1993 79.36937743502202 1994 86.99190830744298 1995 78.46438459060468 1996 69.755373793914 1997 64.01173345979474 1998 64.53248943339943 1999 61.230203084246725 2000 54.52179654865942 2001 52.43703377645087 2002 53.10375299362959 2003 51.03105098877778 2004 46.02892927665831 2005 38.036108370452084 2006 28.817231417505646 2007 26.83659691128158 2008 24.668918929474707 2009 26.77950524483196 2010 24.539555222510774 2011 28.917257798617758 2012 32.139231942759906 2013 34.29430880778077 2014 34.25236694218244 2015 36.628748830549554 2016 35.80600975577428 2017 36.74357384500737 2018 39.36211392487075 2019 40.085018534231345 2020 43.8318561317002 2021 43.9868029302698 2022 42.18017307176871