Year	% of GNI
1970	7.67462424029098
1971	7.74954133333829
1972	7.91075315914496
1973	8.16514114239487
1974	7.91619967117724
1975	7.65146257101369
1976	7.98289698006842
1977	7.88195870467695
1978	7.79364207684621
1979	7.61146949098095
1980	8.0279321921025
1981	8.58428783815443
1982	8.76586711992453
1983	8.68340334730542
1984	9.43158260681653
1985	9.16003005198721
1986	9.09060044694576
1987	10.6985195588447
1988	10.6821874204017
1989	10.4089596199591
1990	11.329346764731
1991	11.8339507632995
1992	12.1715670587136
1993	12.4089000664441
1994	12.084739678822
1995	12.2279648698322
1996	11.9068706766081
1997	12.8169730400812
1998	14.3422779501479
1999	13.6893572943528
2000	13.6519288387609
2001	14.4573617804539
2002	13.8926164508855
2003	14.1564554327535
2004	14.1816647824435
2005	15.0215169946948
2006	13.9171967509973
2007	16.4454324933573
2008	16.7178929679887
2009	17.4946801916898
2010	18.9524159956531
2011	18.7570202918321
2012	18.2120685380498
2013	18.0792020840868
2014	18.258302011512
2015	18.8706260920014
2016	19.0689984020544
2017	18.6585237624724
2018	18.5356035598382
2019	18.588586197439
2020	19.4205444409169
2021	19.1462714070682