Year % of GNI 1981 1.5381737670316133 1982 1.6487217888572563 1983 1.7584000778025117 1984 1.8549799028084224 1985 1.899779116861567 1986 2.4805540917003244 1987 3.063300585633687 1988 3.298385004595968 1989 3.1393804588750998 1990 3.2741560539883667 1991 2.9944392636395216 1992 3.046322608891868 1993 3.129909993971625 1994 2.6485704367448832 1995 2.577303027983655 1996 2.418638028043302 1997 2.2294296252193675 1998 2.024506547748478 1999 2.289092973368439 2000 2.012828761037718 2001 1.8512736297886003 2002 1.7757812902434746 2003 1.6381946456547438 2004 1.2274874390259842 2005 0.9240464196844882 2006 0.8647457082727534 2007 0.6209401786718962 2008 0.5183544011829033 2009 0.4495519083451506 2010 0.5003516406940532 2011 0.3850778127030201 2012 0.29674761368368685 2013 0.3270169242663958 2014 0.44410199670343 2015 0.4711054198316832 2016 0.35707596813450565 2017 0.336351917001399 2018 0.32395135550036697 2019 0.3967975434135891 2020 0.491335101597356 2021 0.523050259306716 2022 0.6032973164860878