Year	% of GNI
1990	11.6898084325608
1991	9.31034201356225
1992	7.86307636551732
1993	11.8664065087689
1994	14.4965618275931
1995	13.572164389904
1996	16.0846449857747
1997	18.8686706644426
1998	24.6578781573615
1999	22.9777861258196
2000	20.8054008186454
2001	21.8997933023722
2002	21.3991488535626
2003	19.0799958974171
2004	20.1429552592484
2005	18.3648130159887
2006	18.7146735821967
2007	18.0856245287112
2008	17.1775750496384
2009	15.2655130660073
2010	15.42832092595
2011	14.0785745383773
2012	14.4842512850078
2013	15.0629447785479
2014	16.3899909938639
2015	18.6225702050135
2016	18.5383940187808
2017	18.636419393373
2018	20.1270062619987
2019	20.0066542077578
2020	17.7860630270362
2021	21.8944833715013
