Year % of GNI 1983 11.770735321720935 1984 10.87602721032193 1986 12.699679550501827 1987 12.008166195917704 1988 14.885407556107923 1989 10.394155049549079 1990 8.332774213839475 1991 6.62704005549941 1992 6.661937768940106 1993 7.907086532213593 1994 9.06791395566135 1995 9.53019468439216 1996 9.352243049400856 1997 9.009074175916176 1998 10.816112016226873 1999 8.887219093675869 2000 8.638974488328731 2001 10.100313575400538 2002 12.98186315467727 2003 12.865920517874246 2004 11.943409615644311 2005 12.055911782934457 2006 13.701650494069861 2007 14.34548987150504 2008 12.494979776466923 2009 9.632436923341759 2010 10.153604598028677 2011 9.70518307422292 2012 11.704270208019258 2013 11.515641402813092 2014 11.194408101830998 2015 11.01396080289411 2016 11.249470864964591 2017 12.215173274607988 2018 11.58440685628578 2019 11.762649018521259 2020 7.291014539120845 2021 8.388892190932346