Year	% of GNI
1970	8.54462063841267
1971	8.47765864661208
1972	8.98690040299166
1973	8.93555751646961
1974	9.15969379251091
1975	9.31323561089543
1976	10.0011462287737
1977	9.96329155206609
1978	9.55964325529543
1979	9.37968984492246
1980	10.6711409395973
1981	10.7106118302282
1982	10.8276450591057
1983	10.6828986010236
1984	10.1481646433413
1985	9.28993163348495
1986	9.98666658999703
1987	9.94593152592994
1988	8.99386389039053
1989	9.39770973050077
1990	9.75235119864537
1991	9.92110472752242
1992	9.37546688994781
1993	10.5073743312164
1994	11.1041171730539
1995	11.4986865185345
1996	11.8341057007055
1997	12.3963383492979
1998	13.4197319414648
1999	13.8463064521822
2000	13.9429618956756
2001	13.9114019391625
2002	13.8386103755733
2003	14.0576224574012
2004	14.3135433280752
2005	14.6891659860242
2006	15.2570073542999
2007	15.7732670852194
2008	16.8541453987383
2009	18.1988515774606
2010	19.1406455408245
2011	20.7966753947993
2012	21.6430587535961
2013	22.9100256813485
2014	23.3369808134091
2015	23.9299117846814
2016	23.927810497525
2017	23.6544120422112
2018	24.8198629640195
2019	25.4289292555197
2020	26.7868689737824
2021	26.5284112220597