Year	% of GNI
1977	7.8098909739428
1978	8.01600505255664
1979	8.59610825980492
1980	8.92355419286964
1981	9.16153402295621
1982	9.28420835925414
1983	9.06235365123659
1984	8.92398151930108
1985	9.80946479959364
1986	11.1244393225723
1987	11.2586781786494
1988	10.6370867952443
1989	11.196147454669
1990	11.0749185798872
1991	10.8368439252327
1992	10.4630067140439
1993	10.2769857418622
1994	10.3340799543207
1995	11.3220430220797
1996	11.409150792063
1997	11.5515855027149
1998	11.5753144025531
1999	11.8041090663764
2000	11.8869111515615
2001	10.8570449219207
2002	10.9735213516057
2003	10.9711691491395
2004	10.6947788975226
2005	10.7610729170087
2006	10.732049643246
2007	11.149989828319
2008	11.0753391631521
2009	11.0712266682511
2010	10.6958069782635
2011	10.3502091483037
2012	10.4445127417481
2013	10.4204005527583
2014	10.5211055917163
2015	11.3109758004909
2016	11.5725374009161
2017	11.3667122940033
2018	11.6261120729337
2019	11.7821652504679
2020	11.5534003598219
2021	11.5126726744974