Year % of GNI 1970 9.70627175768701 1971 10.06268119571726 1972 12.796515861204616 1973 11.991076260057008 1974 12.908944262519908 1975 11.688122000254465 1976 13.6210264616537 1977 27.207340351957228 1978 29.092636613307306 1979 39.71332945073618 1980 57.72329060126138 1981 81.85225475057734 1982 98.79650209196268 1983 106.0375003578832 1984 129.09398872033583 1985 97.64938001427244 1986 126.1118683228557 1987 130.4194979428293 1988 119.57603954564509 1989 126.36504096644762 1990 126.59087857534581 1991 57.17375004634343 1992 57.98743965019744 1993 57.86808888782653 1994 58.06444107300868 1995 55.28794499284487 1996 54.31683432310533 1997 54.45013821749738 1998 56.38399417534479 1999 60.03002041153292 2000 65.11877102520491 2001 75.36106175153344 2002 107.05836113210869 2003 138.56396104782857 2004 72.20985484693038 2005 65.83665060205328 2006 68.93107838488041 2007 55.096076792226945 2008 25.468648873875786 2009 37.343025749478144 2010 35.93324578181322 2011 37.44352074638848 2012 40.81386330964583 2013 43.30662653904083 2014 46.515878760378406 2015 43.565098437306204 2016 39.48588134556836 2017 48.08360518866998 2018 44.829030735406114 2019 45.59769830677677 2020 52.029607615795406 2021 54.420875640782604 2022 52.38897872990687