Year	% of GNI
1976	26.59367939218795
1977	25.804744058996135
1979	25.009710562032613
1980	31.554742327485425
1981	32.71523772335624
1982	30.822498574503406
1983	30.249043160362568
1984	29.468844332518415
1985	26.543652597360886
1986	24.959123014838045
1987	24.71375798768311
1988	25.97031887358265
1989	24.382363887065083
1990	24.799626540496195
1991	19.690335998671237
1992	19.34910240643596
1993	20.83180650230027
1994	21.848694403037538
1995	20.86872441190345
1996	20.245488019595825
1997	20.11371888909834
1998	20.112859016609754
1999	17.980584835219265
2000	21.03382964626749
2001	23.031218523253788
2002	24.72294254606635
2003	23.89849967863557
2004	22.95999656922171
2005	25.717307004903887
2006	28.49989393562648
2007	28.02769276237365
2008	27.557760178877384
2009	22.98114486323851
2010	25.375454736949354
2011	27.792158235565115
2012	29.69608164166408
2013	28.93086355311631
2014	27.334299000035806
2015	25.625632080276084
2016	25.232054830158553
2017	26.610444188317548
2018	26.51255681129119
2019	27.237131884046043
2020	23.269017847308838
2021	25.909835438935403
2022	24.32322197689614