Year	% of GDP
1965	40.808106655229295
1966	39.33867313864074
1967	40.7803608897264
1968	41.62170273423575
1969	41.47494363389897
1970	39.64313673951151
1971	39.802328945230755
1972	39.952952640995555
1973	38.62708825942033
1974	37.529807147975895
1975	38.18431733658863
1976	37.812732796881434
1977	38.1152572472431
1978	39.880119099057616
1979	39.92779694768398
1980	42.86513877297421
1981	45.5063049427484
1982	42.51496939344577
1983	42.41636841902229
1984	43.19436468196615
1985	44.35020127143975
1986	44.67459012970904
1987	42.80384294291807
1988	43.96436374406748
1989	43.73084394389109
1990	44.70419718400996
1991	48.153279275946936
1992	50.7746011208582
1993	52.05852424861561
1994	49.813692742135196
1995	49.592126589134864
1996	49.865645530733445
1997	50.30661680274361
1998	51.07932595195468
1999	50.389944710786175
2000	50.0345945134667
2001	50.91183797992353
2002	50.15575721793224
2003	49.983077438292526
2004	49.0850614291507
2005	49.12697464059359
2006	49.080254286688074
2007	49.366151650300374
2008	48.63971254810218
2009	50.19159864527501
2010	49.66263811275426
2011	49.225342469826735
2012	49.801905126985346
2013	50.64663993588334
2014	51.56638396871023
2015	53.26345533002381
2016	54.14681600562389
2017	54.270075749550685
2018	54.30585140310118
2019	55.1309160901552
2020	55.103041684479415
2021	53.46673146743576
2022	53.125876391049154
2023	54.458932199855866