Year	% of GDP
1970	57.3578097457883
1971	58.596341701468546
1972	60.28488495597508
1973	77.97409243463851
1974	74.06630353550165
1975	81.83115258776337
1976	75.7369787183207
1977	78.59526370637955
1978	76.75192736971232
1979	77.12154012436322
1980	80.28751337321097
1981	81.13531008286967
1982	76.32775301149952
1983	69.66737965656186
1984	66.18634981980385
1985	60.68357916485182
1986	52.51059134220159
1987	55.08891932345764
1988	56.2979829544475
1989	61.091197711733784
1990	61.91984580070742
1991	65.12492909045065
1992	60.763987584701304
1993	59.25378856786712
1994	57.35756084537915
1995	59.469323856295674
1996	58.79236966276813
1997	64.67917169797425
1998	62.7787372361875
1999	64.34817099339291
2000	69.23573992358082
2001	69.96992937497681
2002	71.39031579089135
2003	77.11948772146256
2004	81.27221514091053
2005	85.17582409940576
2006	85.37638624610047
2007	88.31053639129455
2008	90.90943762082964
2009	82.80791455091682
2010	80.59883790463378
2011	83.12441596015896
2012	85.01746111226187
2013	84.07744667492688
2014	82.03630907100018
2015	77.48883551868603
2016	72.99980662436646
2017	76.36900023219664
2018	78.22997734085095
2019	76.6494888153779
2020	68.59404335841721
2021	60.674569319596365
2022	65.69673673201947
2023	62.792207395378526