Year	% of GNI
1976	8.61991341975803
1977	12.6198214509801
1978	15.7739993178683
1979	17.3406558727071
1980	13.595363412186
1981	12.0711316860682
1982	10.8549311096173
1983	14.6309603675806
1984	13.2860336598139
1985	15.0848326078822
1986	17.7029152331018
1987	18.1578245143122
1988	26.6800026359101
1989	23.1160102720382
1990	21.0091759007363
1991	20.6081003878561
1992	28.4389264236695
1993	35.4283582359153
1994	27.7120509220041
1995	25.1704870513657
1996	24.4681700946816
1997	22.6381813993579
1998	19.3092067142062
1999	19.3718210487578
2000	17.4372428344006
2001	18.229056716618
2002	17.0307697189466
2003	19.0268543632634
2004	21.9846755548876
2005	15.9866989478798
2006	18.3849977492365
2007	16.4001862992542
2008	6.46373495532928
2009	13.7079552814042
2010	13.940741121328
2011	8.90340921404016
2012	11.1560671704819
2013	12.2270537918251
2014	14.489647647917
2015	18.8149363995524
2016	22.1426231378395
2017	22.1910464496919
2018	23.1365957718846
2019	23.3576722063759
2020	27.8147418165781
2021	34.9297435004344