Year	% of GNI
1970	15.404542721973918
1971	16.467427482952274
1972	16.587480606378314
1973	16.29322154745639
1974	14.837800465842651
1975	16.57237650268391
1976	18.13942366278919
1977	21.777232826955135
1978	24.298319038248252
1979	24.196719638044957
1980	25.625946217204014
1981	27.06294082670601
1982	29.113459353062364
1983	29.248063302132664
1984	29.601589394341072
1985	31.45954435698623
1986	32.195464747441314
1987	38.38523402113659
1988	38.9648491043428
1989	44.19357294407729
1990	44.86651480628311
1991	49.898435317675904
1992	48.74772016509812
1993	51.164439574587206
1994	51.23824996822569
1995	46.70681700124672
1996	41.60852385103387
1997	39.068818127231644
1998	40.8527229544696
1999	39.58359146366095
2000	36.77219984459059
2001	35.83616576933657
2002	36.673980434112494
2003	34.871088640134126
2004	31.722876221698566
2005	26.07919386697244
2006	23.27604913081322
2007	21.936083882643835
2008	21.819354944119073
2009	23.970158402565037
2010	22.698194552631627
2011	22.055176211346808
2012	22.974026596153045
2013	24.637643090576816
2014	24.550304587250015
2015	26.353622787150023
2016	26.04336269212293
2017	27.457088943426783
2018	28.12955347080703
2019	29.075564982784385
2020	32.40372465603922
2021	30.714195348239187
2022	29.167458873946412