Year	% of GDP
1960	36.47922034278033
1961	36.17498597868761
1962	36.58952496954933
1963	35.964991837475054
1964	35.50794803518115
1965	37.382681069594476
1966	40.00448086032518
1967	38.82293366342204
1968	38.152809692918325
1969	37.974316186606686
1970	37.079851730853804
1971	37.49286290878305
1972	38.34799626872496
1973	38.38232679428673
1974	39.853805815986014
1975	42.34460304183194
1976	41.549814365929244
1977	40.67833961054571
1978	41.32668685562626
1979	41.97983736500526
1980	40.93236370468744
1981	41.48837510244576
1982	41.62062444664501
1983	42.95982019117038
1984	44.02456396110547
1985	44.107150799416296
1986	44.441356417093594
1987	44.76932778320253
1988	44.14093211467762
1989	43.62691540705039
1990	43.36223323282041
1991	43.23055065647659
1992	43.02934244686867
1993	44.662496114797754
1994	44.69050541702133
1995	44.86077124338531
1996	45.83498610726578
1997	45.65097071545996
1998	45.29517607937689
1999	45.83816451179375
2000	52.0643007395217
2001	52.96468254071246
2002	54.84464077777933
2003	54.94249680820346
2004	53.6616637238921
2005	53.756287210191985
2006	54.21811980421658
2007	55.60289924217042
2008	56.21923866624058
2009	53.405171490559866
2010	52.59959373574207
2011	51.80657972172629
2012	51.58986873414558
2013	51.87805333391899
2014	51.563307016256566
2015	52.68658143328066
2016	52.74740153941404
2017	53.24925429963796
2018	52.932315823934836
2019	53.6204826290348
2020	53.68028070604104
2021	52.025506738680846
2022	52.216042424277
2023	50.647701525607005