Year	% of GNI
1970	11.0255184550089
1971	11.5194792043497
1972	11.975011100663
1973	12.459210980606
1974	13.56179140584
1975	13.9797916754082
1976	14.3245889933571
1977	14.6808465173739
1978	14.821005913859
1979	15.0528642904342
1980	15.622145189756
1981	16.0341125027504
1982	15.7591988356878
1983	15.3531924250836
1984	15.1948529499499
1985	15.0889995825304
1986	14.9495946809941
1987	14.8744858916764
1988	14.828649213081
1989	14.7712402058645
1990	15.1901877424353
1991	15.5217483611662
1992	15.0886973728317
1993	14.7229794056125
1994	14.143675189403
1995	13.7968567528515
1996	13.5657301401678
1997	12.9783008462332
1998	12.6293145998897
1999	13.0010119954422
2000	13.0233632386532
2001	13.3279660536222
2002	13.4315070177581
2003	13.4025336284819
2004	13.3024187948023
2005	13.2616915854229
2006	13.5746007933745
2007	13.7549735363611
2008	14.3533372562635
2009	15.3175610979388
2010	14.6805831704184
2011	14.5930494917447
2012	14.8627375178993
2013	14.829659892424
2014	14.6594801086406
2015	14.7796625320591
2016	14.8820640775011
2017	14.8706606098566
2018	14.9908552835993
2019	14.8650593482085
2020	16.5176675021579
2021	15.2146109803221