Year	% of GNI
1972	26.361651029813125
1973	25.916560865470572
1974	26.563197218724856
1975	29.390673670034943
1976	30.244232859657956
1977	30.549550733666337
1978	32.53400130189879
1979	35.581700720870934
1980	35.6568119674764
1981	38.045876536982334
1982	39.19534099382124
1983	42.77052754161131
1984	44.37130496699767
1985	41.22695213024678
1986	39.78082286222735
1987	38.87207915598426
1988	41.92647991633398
1989	43.025139599163914
1990	44.17883750354549
1991	45.66405489403865
1992	46.96513729010502
1993	45.32599025061995
1994	48.03135014071145
1995	50.23092864424545
1996	49.23042558393421
1997	51.2954453659902
1998	50.60316080903352
1999	48.36443446100334
2000	46.66009407707972
2001	40.35159256431256
2002	39.20826725558487
2003	40.474551574492025
2004	43.2291834176366
2005	46.243059158782565
2006	49.51136828179985
2007	51.320933872478946
2008	46.05250319092726
2009	46.262737382272874
2010	51.144174949533664
2011	50.5460447762814
2012	49.45212781718699
2013	48.10682912415101
2014	48.9995585218272
2015	47.27169825571478
2016	47.7827895598931
2017	49.551360313068535
2018	47.53091827803729
2019	46.26701747774554
2020	47.44109249980612
2021	51.75472577318122
2022	51.651872872679306
2023	48.712018603207305