Year	% of GNI
1970	8.189289720227045
1971	8.959648317293038
1972	9.444033643292826
1973	9.078106859667415
1974	9.71131545252966
1975	10.12992792734316
1976	12.123043699688893
1977	14.213139807138365
1978	14.343020359706049
1979	13.764749187758824
1980	13.600516158030901
1981	15.425002223740183
1982	19.363973482910787
1983	21.03522693668269
1984	21.23057837725799
1985	23.875465213503126
1986	26.81229612109131
1987	27.563946792189558
1988	24.118980080151413
1989	23.98053623118971
1990	24.418757429408874
1991	24.93100857282583
1992	27.891127875348946
1993	27.634954755522262
1994	30.508835747064637
1995	31.52011037290667
1996	30.57291215393837
1997	30.356391538962296
1998	35.25856169923544
1999	38.38416949110976
2000	33.48464474388951
2001	33.756917749673555
2002	33.492974765846284
2003	32.80024730101091
2004	29.574465334656942
2005	25.49990273107763
2006	23.864308233848842
2007	23.059112129618427
2008	19.96453629447593
2009	21.80138320938079
2010	21.743832684496546
2011	21.59177772130148
2012	22.484097402209105
2013	24.198320190425996
2014	25.12073367679923
2015	24.055769011268413
2016	25.22726066080735
2017	25.152500578565608
2018	24.97514823905056
2019	25.406299044710234
2020	27.321184319239467
2021	24.55854534440793
2022	22.0664600915848