Year	% of GNI
1970	9.265494656871521
1971	9.564972569901467
1972	9.874318461472107
1973	9.757176383961191
1974	9.711565096846085
1975	10.632524586676551
1976	11.027802697444402
1977	11.254559556004214
1978	11.498454620293744
1979	11.76550952154121
1980	11.462025474212364
1981	11.252228884394876
1982	11.690425958220459
1983	12.234683512022107
1984	11.837167593491587
1985	11.492293843588882
1986	11.913666307274166
1987	12.239539749451694
1988	12.151148483765907
1989	11.994917990242124
1990	11.752459343853111
1991	11.516369625621628
1992	12.273680778470451
1993	11.910350664037878
1994	12.090625433802405
1995	11.895818656427789
1996	11.912201981182301
1997	11.831409254137283
1998	11.96779953620872
1999	12.075798764410877
2000	12.183063709609728
2001	11.85677075725472
2002	11.58546919422324
2003	11.709719177748996
2004	11.413286051473365
2005	11.094447683468564
2006	11.045540089177308
2007	10.996629364178528
2008	10.191210631227724
2009	10.484232188830482
2010	10.970162325749559
2011	11.195328977879209
2012	11.3658022727154
2013	11.20289749608109
2014	11.007651024718179
2015	11.076066433955976
2016	11.022174900466947
2017	11.009848313832721
2018	10.91556145058861
2019	11.004036843260696
2020	11.348054796197331
2021	10.883633712328647