Year	% of GNI
1970	10.263148768101583
1971	10.130166960601043
1972	10.440805009847132
1973	10.10978947874375
1974	9.928318176934246
1975	10.415480754711846
1976	10.723297368077857
1977	10.982677793890852
1978	11.317498979510445
1979	11.429748372543912
1980	12.20789502434948
1981	12.156876096044554
1982	12.625349742951027
1983	12.498665372107896
1984	12.24073285302955
1985	12.33485314709173
1986	13.338633565439153
1987	13.253169769423458
1988	12.816600246357703
1989	12.497730421798437
1990	13.52743390688681
1991	11.87545812181064
1992	11.626339257187492
1993	11.923516695737673
1994	11.974625967740598
1995	12.35520979449267
1996	12.090794951941808
1997	12.523076102371714
1998	13.492477198748887
1999	13.760059053578802
2000	13.52581165631016
2001	14.2276123700967
2002	14.316574039320898
2003	14.488056858305002
2004	14.329508154168495
2005	14.23517458716287
2006	14.267049508323392
2007	14.405296162388511
2008	15.026681718866403
2009	16.44823417713416
2010	16.75481509776565
2011	17.61830674132701
2012	18.59575731746681
2013	19.386818793385483
2014	19.919100167626638
2015	20.69574934263316
2016	20.760085503903444
2017	20.533088996538698
2018	21.50410077211637
2019	22.04341894783233
2020	23.348631367565776
2021	23.236772973981495