Year	% of GNI
1970	28.010285922812486
1971	27.257951995596407
1972	26.70130118088365
1973	27.279695430054982
1974	26.126823336046915
1975	26.872586331518534
1976	24.5881348250039
1977	21.30999944200632
1978	20.81652242891368
1979	21.451893087673387
1980	22.100747408107036
1981	20.509589793725368
1982	19.403175820127803
1983	21.492922388625164
1984	23.899982777281455
1985	23.734385419246102
1986	24.07268620578464
1987	24.159257645449884
1988	24.880570578234522
1989	25.626368466905415
1990	24.63212402539932
1991	21.577338206956515
1992	18.782549008388713
1993	16.875509462617817
1994	20.321220461693784
1995	23.236537621891383
1996	23.189774557659078
1997	23.72301074597315
1998	24.7577862264928
1999	25.701980110776553
2000	26.798321252397177
2001	27.19880786739575
2002	26.35972681605092
2003	27.32732767711486
2004	27.63707974960568
2005	28.000771027928945
2006	30.348213570371126
2007	31.608288587105715
2008	30.971518453272346
2009	26.709759239185246
2010	28.37014832033591
2011	28.451965630702098
2012	27.074047462935074
2013	26.73635827135488
2014	26.995028128224725
2015	27.267590073648712
2016	26.931990492522353
2017	28.039969851163107
2018	28.051005801707316
2019	29.50736970933356
2020	30.01130733092197
2021	31.655247896829195
2022	32.55672074479812
2023	32.22323313138002