Year % of GNI 1970 7.5344914908675 1971 7.55157223925706 1972 7.86242326921323 1973 8.07456171285664 1974 8.14490157762877 1975 8.68877311990877 1976 8.55447253793196 1977 8.41294454723795 1978 8.40853007839121 1979 8.6120228526153 1980 9.66419078668965 1981 9.87743899859708 1982 9.77275987286412 1983 9.61663566560984 1984 9.84717492987021 1985 10.3915287026339 1986 9.58423120235247 1987 7.95048763779508 1988 9.09519676294962 1989 9.84899863803718 1990 7.9214605576648 1991 9.94720789926079 1992 10.6168641455634 1993 10.1558754340399 1994 8.55799628285388 1995 8.86367023758436 1996 8.45472491252305 1997 8.3987352485737 1998 8.1984099222822 1999 8.45964200432167 2000 7.93074460507299 2001 8.41734381455824 2002 8.34069650021811 2003 8.44693759242543 2004 8.38681733493048 2005 7.86219848493982 2006 7.98703594146799 2007 7.96146882039687 2008 7.79867748514187 2009 7.73088543829481 2010 8.23378522633052 2011 8.11348739099529 2012 8.31630000089168 2013 8.50641641858269 2014 8.36701801803244 2015 8.81207598752572 2016 8.87139134502648 2017 8.83067516320858 2018 8.70473370776789 2019 8.37055051857922 2020 9.06190761051272 2021 9.22381247375946