Year % of GNI 1982 27.603953173130176 1983 29.758179596576184 1984 30.383392911290706 1985 30.60672956083182 1986 30.35595910322076 1987 32.533028398313704 1988 33.506510736179656 1989 32.90560013017129 1990 32.53082449716274 1991 33.522807868361106 1992 34.99032810340523 1993 36.680684527173774 1994 37.17512903453741 1995 36.195358329080065 1996 35.59799071335461 1997 36.45451640391064 1998 36.464437094656745 1999 34.25406510743086 2000 34.743959865401045 2001 35.73577426435406 2002 36.4039262231349 2003 38.704211664449225 2004 41.286334152304896 2005 42.26602790236866 2006 44.08189508981556 2007 45.706583429820675 2008 47.1580340977501 2009 46.47864645904224 2010 47.54415741901059 2011 46.37734201820868 2012 45.504942402955706 2013 44.71958339488467 2014 44.75775609891643 2015 43.14649232140029 2016 42.2531553385266 2017 42.76810589654825 2018 42.62331181692169 2019 41.777476196854074 2020 41.88223370182647 2021 43.6115738399326 2022 44.251291079739595