Year	% of GDP
1973	26.620069915861567
1974	26.581072334896806
1975	31.03017816007509
1976	30.009855117205404
1977	30.16161184703796
1978	33.887770164605755
1979	35.73074801746306
1980	38.57083279428738
1986	46.14674481552553
1987	46.99083897024007
1988	42.420003273749465
1989	43.31060581913544
1990	43.24296824167423
1991	44.07992930241086
1992	47.07960368677055
1993	48.12942628174846
1994	45.877126507432884
1995	48.18368595908375
1996	47.42374478270634
1997	45.09449426483441
1998	41.21021084226532
1999	41.00380419682772
2000	39.4798153124305
2001	40.00669254943193
2002	39.47220788546552
2003	39.62419835416134
2004	38.83650905896019
2005	39.14141557848827
2006	39.760111311566504
2007	39.20958599113051
2008	40.60134601014081
2009	44.03020461042498
2010	42.75211363094446
2011	41.88989054655638
2012	43.61296553526016
2013	43.710645280521554
2014	43.64511219575501
2015	43.61729055096943
2016	43.27194904453791
2017	42.90821659516267
2018	42.54667179107585
2019	42.28400825203149
2020	50.562417298213056
2021	50.01732773503505
2022	49.093311354361106