Year	% of GNI
1990	1.3792006809012116
1991	1.3469093720463627
1992	1.5131874673921406
1993	1.6397615821456506
1994	1.792679405638303
1995	1.7143997406076938
1996	1.8394198595407572
1997	1.9355515567345636
1998	2.178283333628849
1999	2.2161476166012015
2000	2.2477495779782224
2001	2.771719183794348
2002	2.8287717826139565
2003	2.363113548678982
2004	2.1589697532998686
2005	1.9783733223249114
2006	1.8728679645017106
2007	1.7809095562809882
2008	1.5094891014647565
2009	1.5508031420342165
2010	1.4575161318312972
2011	1.342739268342895
2012	1.3895829242279578
2013	1.4306910639783839
2014	1.4658521321331206
2015	1.6550922962185413
2016	1.87990994848077
2017	1.856869046863443
2018	1.8310155501147731
2019	1.9161757254562855
2020	1.994396789682451
2021	1.987284628176784