Year	% of GDP
1970	19.510341873268757
1971	19.27219939873623
1972	19.329565831231836
1973	20.54807897990272
1974	24.58163234383857
1975	22.29173586999648
1976	24.169535936595402
1977	24.04587469069915
1978	23.025412327262
1979	24.75471614536224
1980	26.834797773380327
1981	27.714521489573897
1982	27.282565241753804
1983	26.535465085003196
1984	27.693347788816464
1985	27.861370338632614
1986	24.033532539098783
1987	23.957211200025437
1988	24.49073358139525
1989	25.93484109553189
1990	25.440214618486262
1991	25.36914568916554
1992	24.810863283039552
1993	23.560946707319815
1994	24.828421911252434
1995	26.262637262330923
1996	26.393929303850637
1997	28.32193327033707
1998	29.178089567952604
1999	30.07395617644597
2000	34.36345948048292
2001	33.7019060997718
2002	32.109861501476786
2003	31.68682802529976
2004	33.00574323223337
2005	34.939400609827764
2006	37.29966850159802
2007	38.19451963498664
2008	38.885368492663034
2009	33.4663716563564
2010	37.59729577324786
2011	40.38670461965185
2012	40.75384528481049
2013	40.35634472986191
2014	40.65652215625724
2015	41.56218470209719
2016	41.14381760769692
2017	42.88247034601343
2018	44.07059268797456
2019	44.8448289979579
2020	41.77698456053352
2021	45.516691124460586
2022	53.29345364164326
2023	47.82243035998655