Year % of GNI 1980 20.661196845930803 1981 27.900230539786087 1982 37.352610224240564 1983 44.89588871028 1984 56.930766551587254 1985 68.63303581953429 1986 59.985628269941635 1987 60.42144706554248 1988 56.4049206399959 1989 50.965978666404034 1990 43.091123104800126 1991 42.368714831920535 1992 40.73522516297768 1993 40.71299951070224 1994 61.6815864928559 1995 52.29952563587411 1996 55.72413883794678 1997 60.93878425190006 1998 62.1639891016457 1999 60.50645210056196 2000 66.08806187042676 2001 64.01136640744996 2002 63.62464908625286 2003 53.157534495207905 2004 48.177856752453295 2005 44.255636797914924 2006 42.09853856286137 2007 36.08356539393596 2008 30.223186126233063 2009 31.718611244470534 2010 30.68741477550669 2011 26.971104839919114 2012 24.880004403478075 2013 12.770154918918323 2014 11.852884972653758 2015 12.934844397210266 2016 17.185227269013183 2017 16.78066330374624 2018 20.084550760208675 2019 21.592484449375178 2020 24.12121334166851 2021 26.89595566290352 2022 29.52856696892143