Year	% of GNI
1990	1.6577564475982833
1991	1.563498663648877
1992	1.807048992681714
1993	1.9722223920014899
1994	2.0122960189110954
1995	1.9435894112417667
1996	2.099917130868399
1997	2.174931796645967
1998	2.4761543336109755
1999	2.5069893867770032
2000	2.4551844575776065
2001	3.1211372831162776
2002	3.236262259300357
2003	2.664448983239369
2004	2.4096186503768298
2005	2.186840690268007
2006	2.0890322715837066
2007	2.0097645578005165
2008	2.105153104736603
2009	2.035995049619065
2010	1.8759288626083426
2011	1.7134609743386726
2012	1.832890851412369
2013	1.9629897641257612
2014	2.082895082754451
2015	2.2825265365678087
2016	2.534691830685229
2017	2.365566331777226
2018	2.3629195815463215
2019	2.528449085235304
2020	2.6535706519905204
2021	2.548652217469475