Year	% of GNI
1971	52.768623833800696
1972	58.84346931004646
1973	53.74068438999406
1974	76.65969681031429
1975	60.89035763288428
1976	59.25581188014981
1977	48.10624767692046
1978	35.43326967195636
1979	41.87975595710655
1980	53.1403247418953
1981	48.27050318324113
1982	34.4641133931341
1983	25.40939607357645
1984	21.427704809812198
1985	15.42981060446627
1986	12.140125177016762
1987	11.979265692545429
1988	14.994178753768281
1989	12.50204294908558
1990	16.9998363112637
1991	11.165850809581261
1992	18.81487485214452
1993	16.01700240472468
1994	15.757759478697704
1995	19.841804992457195
1996	23.31797391903897
1997	24.073610649585447
1998	17.438067962965604
1999	25.650195743054258
2000	29.964672642983178
2001	26.858204273216316
2002	28.504730137856168
2003	34.07583521672
2004	41.582851117454915
2005	48.270972636110535
2006	48.57950639296348
2007	48.92168521603605
2008	52.5046311689758
2009	36.939214946216275
2010	43.79508342866237
2011	50.71611811323384
2012	49.13856750921838
2013	44.61322853176302
2014	38.74019291654354
2015	25.54550158471968
2016	26.647130903891984
2017	29.927989136356477
2018	34.34760759665814
2019	32.56825190114128
2020	23.847982866491932
2021	29.837503148175003
2022	39.75082168013527
2023	32.29014615312409