Year % of GNI 1982 27.60823726381023 1983 29.75808819136515 1984 30.386378244069846 1985 30.604077498029127 1986 30.361165960638022 1987 32.52958647554456 1988 33.501752222960164 1989 32.896994189063655 1990 32.53219019548622 1991 33.52211390121472 1992 34.999251279072844 1993 36.803633248791485 1994 37.2758092618815 1995 36.20764349165722 1996 35.603295225375966 1997 36.457995509207635 1998 36.46268852712355 1999 34.26405616330338 2000 34.754099351105374 2001 35.74897587678048 2002 36.41230070285599 2003 38.71700990464288 2004 41.31012989142275 2005 42.267399720298506 2006 44.087056387523965 2007 45.71284737272706 2008 47.159147929260435 2009 46.287795357118284 2010 47.38456914014729 2011 46.29805004516235 2012 45.451884323296646 2013 44.671107258284344 2014 44.70071668313955 2015 43.100773303436675 2016 42.18136086904601 2017 42.69943954259983 2018 42.56310208713356 2019 41.72521966884115 2020 41.88106215034019 2021 43.19984989256373