Year	% of GNI
1977	7.63041324870776
1978	7.5633907786837
1979	7.2886292188469
1980	8.59991525626146
1981	8.98558015781188
1982	8.86632421106418
1983	8.64020121203372
1984	8.57030786019115
1985	9.1512584286909
1986	9.64255255229402
1987	9.63770550612819
1988	10.7468638669986
1989	10.9732192948381
1990	10.9893264863464
1991	10.8616709254962
1992	10.8823417303485
1993	10.7970074459311
1994	10.4598894006653
1995	11.6911089522344
1996	11.8637492659697
1997	11.6780348457475
1998	11.9112532033908
1999	12.066950374342
2000	12.3695042030133
2001	12.6058601623148
2002	12.5598434780537
2003	12.5015572470887
2004	11.7921857698016
2005	10.8719542457089
2006	11.2141257256239
2007	11.2669080178837
2008	11.4567406645456
2009	11.3445676548227
2010	12.0691476430103
2011	12.060380381499
2012	11.6339922744297
2013	11.5840351120576
2014	12.6295305661141
2015	13.1105818354927
2016	12.9526531087035
2017	13.1065074136426
2018	12.9108327734863
2019	12.8103970538651
2020	13.3028701298887
2021	13.1960391162422