Year	% of GDP
1960	21.32051297772199
1961	19.735464262447074
1962	19.463229449104823
1963	19.57926558431213
1964	19.917549126246488
1965	20.511201910171035
1966	19.959889256127113
1967	19.0994195472204
1968	19.638002700375193
1969	20.9618697616634
1970	22.34419688274132
1971	21.00259922222146
1972	20.545799277430895
1973	22.325191497290092
1974	29.87153429604052
1975	25.680747366894575
1976	26.568524017875422
1977	26.32235021025018
1978	24.6388964190759
1979	28.4531276685416
1980	28.721199487889876
1981	27.910099918048065
1982	30.546852981280352
1983	31.23742741424529
1984	30.485994177002578
1985	31.33231322027628
1986	27.759113523636202
1987	28.591313433746528
1988	28.537402731857764
1989	29.45572088770256
1990	27.90104345185256
1991	24.994929797051956
1992	24.814493666352917
1993	27.724689155541988
1994	30.243325262290043
1995	31.47642640209401
1996	30.509641521257553
1997	32.87672504199497
1998	34.31939635051245
1999	34.786932533272335
2000	38.219073471721664
2001	37.66754495590781
2002	35.97156026010493
2003	34.919888694535445
2004	35.90050717371318
2005	38.73599707957975
2006	40.7079804771039
2007	41.55182186551849
2008	43.477227509214586
2009	38.05487723301469
2010	39.56952423913156
2011	40.51983620827247
2012	40.254725646164694
2013	38.28885614273371
2014	39.66737044578522
2015	39.957046992467966
2016	39.62916681672224
2017	41.20002750214374
2018	43.44813688279078
2019	43.62461801573544
2020	39.363700343234484
2021	41.74954497883737
2022	50.1274459516464
2023	49.584648335590806