Year	% of GNI
1990	39.8411582767866
1991	38.9223345111182
1992	34.7513372724196
1993	26.7080116268603
1994	18.5374962037466
1995	14.7607108980099
1996	14.684770824952
1997	14.3465527425833
1998	14.2050470580797
1999	14.2509143910971
2000	14.0188044412436
2001	14.37514119551
2002	14.3500017938113
2003	14.5841378307939
2004	14.2752178224396
2005	13.9101364500389
2006	13.793553614849
2007	13.2289595751687
2008	12.4142374599456
2009	12.0347520547516
2010	11.7917997229835
2011	11.3484078684101
2012	11.6314971553016
2013	12.0530624225042
2014	12.0760583704082
2015	12.0138450391332
2016	12.3702016608508
2017	12.0075123022229
2018	11.8421517709948
2019	11.8034433055494
2020	12.2610311535283
2021	11.6594734861633