Year	% of GNI
1979	24.128471997658266
1980	23.83579140079713
1981	23.480533196006387
1982	23.89283956306053
1983	23.848171841295652
1984	24.897751955216403
1985	26.20264194296694
1986	23.94115416147611
1987	24.392677646549824
1989	26.632173917263138
1990	23.88918076638645
1991	23.571462741157127
1992	23.713998633314873
1993	24.763378818083993
1994	25.864988849126735
1995	25.016110644771505
1996	25.21168048999032
1997	24.76110070266422
1998	24.404345399891742
1999	24.817152473714852
2000	25.650493759649272
2001	25.85192055837937
2002	27.08371248579649
2003	28.322807246803215
2004	30.176988940412883
2005	30.96330450692556
2006	32.69635282963841
2007	33.46191185584148
2008	34.142905255075
2009	32.543455524822605
2010	33.9641617178644
2011	33.960539033850765
2012	33.69806206287112
2013	33.0375762140304
2014	33.05744366767588
2015	33.50856185550477
2016	33.02878215646733
2017	33.45982742557206
2018	34.234272503834696
2019	33.5483822605608
2020	34.03591428067299
2021	36.04411154287857
2022	35.98646084059182