Year	% of GDP
1960	43.51130117307153
1961	42.92050583750297
1962	42.514643659632085
1963	42.666863035946676
1964	44.03417541902108
1965	44.589522656328676
1966	44.27259036802416
1967	43.86951329344729
1968	43.46573098292225
1969	42.790611019943185
1970	42.599915391398746
1971	40.76009371711528
1972	42.04523539406081
1973	35.348236321944434
1974	32.64270009048125
1975	38.24473784774568
1976	37.42562510759885
1977	41.42813553662552
1978	48.33396849357475
1979	48.63031768392194
1980	55.129547146815995
1981	52.56013872519403
1982	46.45943147578568
1983	48.660250737928315
1984	50.695513002788104
1985	53.86003888884724
1986	57.013554708313706
1987	56.06012254738849
1988	58.01304286130241
1989	56.090659313626375
1990	53.19813552712426
1991	53.26108366365292
1992	52.66093056203477
1993	48.693418116488594
1994	48.205149464744025
1995	49.90410533603517
1996	48.80972556536624
1997	52.4764737589279
1998	57.16843076657376
1999	53.440952407247444
2000	51.41664426232357
2001	52.32109975215858
2002	47.69838374646019
2003	48.770495624292955
2004	47.918092834556376
2005	47.98121760228709
2006	49.12533270208005
2007	47.60776768066608
2008	48.642338802925565
2009	51.480718191320065
2010	51.13731452471143
2011	48.723687575550336
2012	50.42911628355229
2013	47.64191165954809
2014	49.3556902392447
2015	55.181957455484486
2016	52.52237871131082
2017	50.662662297799365
2018	48.271109461713635
2019	50.123375260429235
2020	49.195280892130015
2021	47.328977041523665
2022	44.95810677261354
2023	42.74521825959133