Year	% of GNI
1972	18.9325928807399
1973	17.8202010136307
1974	17.0639560795482
1975	19.3767585325754
1976	18.7584415153803
1977	18.2681424569792
1978	20.0390307576631
1979	23.1380661166849
1980	21.408148316005
1981	23.0334869946005
1982	23.6878266293505
1983	27.8520134961997
1984	30.0966950637214
1985	25.8644683735056
1986	22.9836895504662
1987	21.4967733654071
1988	26.0330687834132
1989	27.9905594445816
1990	29.6715041157054
1991	31.0964074320661
1992	32.4078371891439
1993	30.4578783152859
1994	34.6065525009248
1995	37.5733400016345
1996	36.4345090434503
1997	39.0820669505894
1998	36.2505065553627
1999	33.2872524966818
2000	32.2105002682867
2001	24.2376155079263
2002	22.271371464435
2003	22.9622648473241
2004	25.7252462369462
2005	29.5232534653389
2006	34.5344714305934
2007	37.1684985988757
2008	30.2811356928173
2009	29.3676255257623
2010	37.3781280962698
2011	36.5366172904267
2012	34.9466312769605
2013	33.0254407449122
2014	34.1454969201974
2015	30.7314279346953
2016	31.0537598478433
2017	32.7213988009838
2018	29.4127898260608
2019	25.8399932304721
2020	24.083875999386
2021	29.4712458901274