Year	% of GDP
1975	70.81818145208382
1976	56.63051084674598
1977	57.17724096937333
1978	67.87251325118746
1979	69.80312369397708
1980	67.71855557693542
1981	67.24516736517549
1982	64.62503881162877
1983	69.17065083852633
1984	62.95502042042862
1985	72.23074955231516
1986	69.87580988227914
1987	64.60557113094472
1988	66.7491848326804
1989	62.80569357791309
1990	65.0955448639539
1991	60.55877068116584
1992	48.988854106866256
1993	47.5494339228883
1994	45.774777166756905
1995	54.160215479083085
1996	57.71370991174526
1997	50.98996214498731
1998	58.70358697672204
1999	35.093292990418554
2000	38.549389610118865
2001	45.18391760825159
2002	55.25832460441232
2003	56.684657813875184
2004	56.615097370601674
2005	56.86636687560339
2006	51.9205791657518
2007	58.22145582577368
2008	52.70588411399045
2009	64.51606268672523
2010	60.687167298593536
2011	62.54615356963733
2012	60.9700289528891
2013	62.58553569003664
2014	57.95062772801146
2015	64.49108681796835
2016	63.27111198609378
2017	65.8104543121672
2018	66.18274477043623
2019	65.19361427058548
2020	64.94385473663156
2021	60.84480503563603