Year	% of GDP
1975	45.65902658621644
1976	47.37701083999279
1977	47.49820881235251
1978	47.2964116422929
1979	47.084070895348304
1980	46.759960780818254
1981	47.84721674941551
1982	48.4218395906829
1983	48.93617021276596
1984	49.09465020576131
1985	50.29444587518241
1986	51.12213484759064
1987	51.68350168350169
1988	50.56110944566819
1989	50.47909559790897
1990	52.26860453610968
1991	55.654265296493634
1992	56.65825293104668
1993	56.09628039389555
1994	55.111351089268204
1995	54.32830368649098
1996	55.08458803130786
1997	54.30703836400227
1998	53.536862725567346
1999	53.68669040940465
2000	52.95217015288548
2001	54.30967724092154
2002	54.91494147596406
2003	55.19970477564926
2004	55.82269869864825
2005	55.860511151457004
2006	54.95294886550952
2007	54.69231098186794
2008	56.224744549970396
2009	59.60648593924521
2010	58.942931706202195
2011	59.30665966322892
2012	60.689325845491126
2013	60.44263683126061
2014	60.73553507300734
2015	60.82266953662748
2016	60.34305206925404
2017	59.764207847070935
2018	59.84442864363365
2019	60.19478191263165
2020	60.118552500021
2021	60.22524175789105
2022	59.43321864715134
2023	60.67969383160738