Year	% of GNI
1970	38.00658334712643
1971	27.959784927106252
1972	24.747735216983628
1973	19.255694975702294
1974	15.704537709923667
1990	21.814918810116847
1991	21.244838586166555
1992	17.390684374535738
1993	16.238373057180034
1994	17.165347598495657
1995	14.028439087266179
1996	13.537897337403043
1997	22.053395914848423
1998	18.412676420872877
1999	20.805200006777852
2000	18.829566446427968
2001	21.189956347115917
2002	28.622271822759828
2003	21.035455438678184
2004	16.72020185211963
2005	15.50155671823099
2006	14.3700027999553
2007	14.170510950686966
2008	14.59717312488809
2009	15.020280933471774
2010	24.120310572895164
2011	22.934570050032114
2012	18.882699312822435
2013	17.128515849148844
2014	12.674182753498043
2015	11.517499952096543
2016	21.18732565515998
2017	21.241805110092653
2018	17.62661914274571
2019	20.773534249902927
2020	26.71302610059817
2021	26.375258975432047
2022	27.50979910380002