Year	% of GNI
1990	26.1793074753294
1991	21.7336121037432
1992	22.2039155024961
1993	20.5925854911991
1994	19.3825274333048
1995	16.7950819869797
1996	19.5627318925845
1997	19.2360155788483
1998	22.0535761568896
1999	20.0230685512425
2000	20.1611993519541
2001	26.4774946250198
2002	25.5869350336387
2003	27.0838928077016
2004	27.1031063832753
2005	28.6184359371895
2006	28.103752366615
2007	28.2606854217505
2008	28.4916170649136
2009	24.6601768101326
2010	23.1599309631907
2011	21.5100905460008
2012	19.5651903215887
2013	21.5119332656966
2014	19.7322746062084
2015	22.2526456153416
2016	22.1686619629094
2017	22.5780603731862
2018	21.3245879763484
2019	21.0014154684894
2020	20.7741799982652
2021	22.0271718646063