Year	% of GNI
1978	14.0931650626552
1979	13.9873486138539
1980	2.87091833337698
1981	12.094014098002
1982	10.268715334161
1983	7.70993403821866
1984	7.10026664313932
1985	7.07580633616777
1986	11.3066083897858
1987	12.5150395365522
1988	14.929709433662
1989	13.2587400142009
1990	13.3271652074646
1991	15.427102749277
1992	14.5737823948279
1993	13.7097003165651
1994	13.7136872412844
1995	13.6619203216621
1996	13.7351513469997
1997	12.9240287243982
1998	13.1716297370783
1999	10.4073845747979
2000	8.92391321237583
2001	9.07694212626014
2002	12.2299696690465
2003	12.4333504498146
2004	14.7220098278134
2005	15.7645587125744
2006	14.7067929029066
2007	15.3147404268895
2008	14.3350033438442
2009	15.1950173629576
2010	14.5283183006662
2011	14.1821507150874
2012	8.29298632849688
2013	9.51061274127087
2014	7.93216588820214
2015	9.66726186510286
2016	12.6905744415549
2017	10.2526508041752
2018	7.88235764959935
2019	9.60271161055995
2020	9.91310861545621
2021	9.86070204327448