Year	% of GDP
1980	36.77391304347829
1981	31.95047619047618
1982	39.51717171717169
1983	42.74248120300752
1984	40.67304860088366
1985	37.78385416666667
1986	36.88562091503268
1987	38.60059171597632
1988	41.15862068965512
1989	42.68873668188729
1990	39.99488817891379
1991	41.18286059143033
1992	42.22582417582414
1993	42.780421849648484
1994	47.89984431759212
1995	51.31359223300975
1996	49.3403755868545
1997	50.91865808823533
1998	51.48079358379059
1999	49.24668541582971
2000	54.2564358428995
2001	50.61235102661943
2002	47.71351166854522
2003	52.7690924877758
2004	54.91320310269001
2005	61.58469071280399
2006	47.58990754446843
2007	70.25199622947433
2008	57.98894779197853
2009	55.39178458225942
2010	64.65805354940423
2011	62.82242497172281
2012	60.915123212252475
2013	62.54154252469883
2014	64.76337022981149
2015	66.83366396234838
2016	63.09012326385748
2017	66.25363432092342
2018	70.36716481800526
2019	74.91382932046268
2020	41.40737754268431
2021	50.495930728897974
2022	68.68941211032882
2023	69.49178109823396