Year	% of GNI
1982	27.719282696412154
1983	28.17226550162567
1984	30.084186527395467
1985	30.654720746321274
1986	30.9755271605672
1987	32.496070368568816
1994	29.98764082523702
1995	26.832241360532443
1996	26.55120651596263
1997	26.04060864868663
1998	25.69246832134633
1999	27.045449097205214
2000	28.07287295317362
2001	28.8426339114125
2002	29.75446875472943
2003	31.716711634052842
2004	33.881401720799104
2005	33.97038844896648
2006	35.41622947572201
2007	36.180234046920354
2008	36.82820028067337
2009	35.42620880503144
2010	37.069236296748585
2011	37.34517511882973
2012	37.21423071022096
2013	36.71587408051357
2014	37.003288625052484
2015	37.19589902434033
2016	36.449426647115104
2017	36.700868762682006
2018	37.32568302705547
2019	36.65482991025126
2020	37.711960432014955
2021	39.32348218547401