Year	% of GNI
1970	16.9176382134698
1971	17.0434142986315
1972	16.2294361413973
1973	15.839837381357
1974	15.2217010124916
1975	15.2873096788057
1976	14.9602359081738
1977	15.5226254242549
1978	15.248892866067
1979	15.4730647412201
1980	15.4808642547108
1981	15.3367375806622
1982	16.4151511386835
1983	15.9727005274727
1984	15.8968641371081
1985	16.5050431392189
1986	17.4313712684728
1987	17.1010158125491
1988	16.7682357921923
1989	16.9401372616506
1990	17.5376489718926
1991	17.8506945714918
1992	17.9313505449328
1993	17.8084912293831
1994	17.3610021857592
1995	17.1362903107106
1996	16.7002823435032
1997	16.9477063836219
1998	17.0068481281041
1999	16.9109217301695
2000	17.2308179308067
2001	17.0649861874009
2002	16.9145430216664
2003	16.6666823324397
2004	16.8213074653506
2005	17.0315859288277
2006	17.0526902774654
2007	17.0135947834953
2008	17.0737342848557
2009	17.1997062503301
2010	16.6576704950227
2011	16.4680172907479
2012	16.819083642859
2013	17.2105126259104
2014	18.1506569453408
2015	18.6293247771666
2016	18.0857995154732
2017	18.0500585908416
2018	17.8642649998528
2019	18.293646101126
2020	17.7597607918803
2021	17.3103780505969