Year	% of GNI
1990	12.2235403356656
1991	7.62399009306515
1992	14.9387051373283
1993	16.5904318951455
1994	19.1492797396276
1995	18.8347207102845
1996	21.4623478607205
1997	21.7613688861096
1998	17.4220690601127
1999	14.9031670725356
2000	18.1938860927828
2001	15.2553546048931
2002	13.2391841513877
2003	13.0734812439087
2004	10.4169496114763
2005	13.0403918157498
2006	15.3176793503609
2007	22.6213677141505
2008	25.3513398611344
2009	24.7676986033217
2010	20.0079093769281
2011	24.8497254688643
2012	27.7527905355445
2013	28.6264756982604
2014	26.0054145991891
2015	29.3660067133411
2016	27.1412679102189
2017	28.608975405444
2018	25.4536615538232
2019	23.2290620615045
2020	18.4470968601953
2021	19.4153187631454