Year	% of GNI
1970	19.5864312267658
1971	27.734204793028322
1972	31.953125
1973	29.364461738002607
1974	21.94352658455993
1975	20.78151986183074
1976	25.643248548294757
1977	25.690733371233655
1978	23.948008618892054
1979	25.94897037405748
1980	24.185308183862873
1981	21.121106136280126
1982	20.47567629040167
1983	21.668691762268598
1984	22.677361903192192
1985	28.779978900562874
1986	27.96038105681287
1987	20.666818272815348
1988	21.60410271617263
1989	23.156908881702893
1990	24.7942786056046
1991	27.649826288531415
1992	28.271100245265252
1993	26.685151516654024
1994	25.402229665513605
1995	24.8717055446209
1996	25.41375888428066
1997	26.06244828509566
1998	26.367629618440112
1999	26.165939663770786
2000	25.73886330425168
2001	24.939398600139977
2002	23.952638602612808
2003	24.27545782596819
2004	25.101104132247336
2005	26.864366776124207
2006	28.037762854589108
2007	27.19949063434855
2008	24.733881027669696
2009	24.96371935683275
2010	25.248489487499775
2011	25.381321853497134
2012	24.773927614577772
2013	25.57789511020864
2014	27.04555460336005
2015	27.482558596482857
2016	27.12165305597666
2017	26.83624514544572
2018	26.933287943661085
2019	27.261034425655208
2020	29.279448757240647
2021	29.65562639159232
2022	31.153142458467553
2023	31.22949291020804