Year	% of GDP
1965	28.27846183200838
1966	28.045229166393963
1967	29.79641555574488
1968	29.507614492744068
1969	30.106414141664068
1970	28.22364892866807
1971	31.089107782043683
1972	29.38918318702646
1973	30.884138862381064
1974	28.448330946161462
1975	28.970474360685575
1976	26.180323222435348
1977	27.248358302831438
1978	28.777589812902264
1979	27.421142503484795
1980	28.854320373017526
1981	21.53445191045583
1982	22.42084082257823
1983	27.50210655000094
1984	28.86924875978839
1985	26.65680967173944
1986	29.834537429398022
1987	32.99029642921326
1988	32.71585267408356
1989	34.03479576868551
1990	34.094620026078424
1992	45.837933471845346
1993	46.694696981446576
1994	49.30733362705335
1995	45.306151624468086
1996	40.06106214669141
1997	39.04148326807308
1998	36.76021708437679
1999	55.56825948940506
2000	51.25866280490647
2001	50.414752705598985
2002	38.72773591761631
2003	46.361262437912316
2004	51.656677113383914
2005	53.61901281937749
2006	55.46763190253357
2007	56.123953180768474
2008	46.730775991213406
2009	49.27183689412687
2010	50.81276162407406
2011	46.51440554953799
2012	46.16034289380912
2013	42.85749372102981
2014	41.908859385034944
2015	41.61885237226064
2016	42.35490971401461
2017	44.908517638160504
2018	40.52292347964835
2019	39.59506949380232
2020	37.30065104682218
2021	35.54809743733068
2022	34.503030133490114