Year	% of GNI
1975	22.30235780609456
1976	23.136695450869823
1977	23.214966917607008
1978	23.48386062331103
1979	23.870719613779606
1980	23.205132766026438
1981	23.015132645754868
1982	21.83162788838223
1983	21.1938131528107
1984	22.4474688910329
1985	21.865367629767462
1986	21.23203915994651
1987	21.53348367441711
1988	22.37329376293302
1989	22.556876255216455
1990	21.803546123600547
1991	21.098885890930976
1992	20.648589462914792
1993	20.582042999935688
1994	21.56505536053552
1995	22.20749583443011
1996	24.178138627250476
1997	24.330977369371958
1998	24.097438357999604
1999	23.80415424788499
2000	24.15045203097855
2001	23.27086741316125
2002	22.797167742295596
2003	22.818647460237482
2004	23.71573521125823
2005	24.249549238377284
2006	25.29990167103345
2007	25.518897677311656
2008	25.08940153468363
2009	23.123396030105237
2010	24.833946767671655
2011	25.694583366083815
2012	26.02317026996476
2013	25.945955567534195
2014	26.289604919280276
2015	26.322639810083707
2016	26.006078105497746
2017	26.727358080712108
2018	27.15743207807
2019	27.01807471384601
2020	26.694758665712353
2021	28.17113981731253
2022	28.01712735502786