Year	% of GNI
1970	9.12155320203393
1971	9.0183669767609
1972	9.02898507895131
1973	9.50102188158563
1974	9.74944465475328
1975	10.6278102989183
1976	10.6097103005543
1977	11.2167005479262
1978	11.3455403341181
1979	10.9528904526441
1980	11.8503858724365
1981	11.9627003608883
1982	12.1939969827532
1983	12.6535700020509
1984	12.0536594700888
1985	12.2961149240197
1986	11.293852430273
1987	11.6196640208742
1988	11.9321702711684
1989	12.1104624125362
1990	14.2734457922612
1991	13.7477603368906
1992	13.9963200701004
1993	13.7655250431585
1994	13.1713897426511
1995	12.0348150372629
1996	11.0684172538124
1997	12.1564457494194
1998	13.4298079736128
1999	14.5555294436784
2000	14.515107251417
2001	14.8157017118839
2002	14.9590558654575
2003	15.2698796188464
2004	14.8706403391669
2005	14.8191066826317
2006	14.2908555195556
2007	14.0741263299888
2008	14.7600562869423
2009	17.0735566683664
2010	17.9864817580716
2011	19.2190958489728
2012	21.4455985371081
2013	21.2401301887067
2014	21.5229167124258
2015	22.8528555264744
2016	23.0627566665614
2017	21.494438538977
2018	20.8594130342227
2019	20.6457044465801
2020	19.6825032361059
2021	18.9471759599397