Year	% of GNI
1970	10.19038646248846
1971	10.194194756156195
1972	10.325324983493944
1973	10.165948117174835
1974	9.939608991471232
1975	10.503520850952993
1976	10.60115534960824
1977	10.786777125173689
1978	11.193411759041807
1979	11.24006659124796
1980	11.15593311565653
1981	11.38050056340663
1982	12.607737978967938
1983	12.652947391577072
1984	12.246351709858002
1985	12.897775385317788
1986	13.323817528839312
1987	12.668287806347337
1988	12.711362264930218
1989	12.471731168692695
1990	12.657064484235436
1991	11.97619250359026
1992	11.73715269029306
1993	11.678669705809805
1994	11.716373147678363
1995	12.18121165337181
1996	11.586099369638251
1997	11.937449127867854
1998	12.68698394284011
1999	13.181433112535979
2000	12.930648879568304
2001	13.171140796322904
2002	13.453648108651445
2003	13.890690362316764
2004	13.539319887353026
2005	13.278702001173928
2006	12.90233740664125
2007	12.784514012075043
2008	13.119308670962086
2009	15.012302032218303
2010	15.283702032045259
2011	15.82584875162828
2012	16.84379028159
2013	16.81836774635314
2014	17.20665565636158
2015	16.675803972511446
2016	17.162425223254157
2017	16.543076350988155
2018	16.45124409079156
2019	16.554575242616885
2020	16.678787646954053
2021	16.55326748082183