Year	% of GDP
1960	51.4278429372769
1961	51.50305307656177
1962	49.88108108108108
1963	44.845908607863976
1964	41.82871328092677
1965	41.94124652639937
1966	35.13252079705939
1967	34.85795962122566
1968	32.54022595001711
1969	34.509560080833204
1970	38.1649118009025
1971	38.81777108433735
1972	38.53805227851029
1973	39.841343910405975
1974	39.601015596663046
1975	35.81040847921877
1976	34.37768650300888
1977	35.604319852941174
1978	34.74349781630924
1979	32.12931440117357
1980	29.913536942290936
1981	33.37992312684071
1982	34.1053391053391
1983	31.191117092866754
1984	28.60645417798688
1985	31.46633271703143
1986	34.51774637839124
1987	31.611631753031972
1988	39.372878866357944
1989	37.36901382134497
1990	39.01958906236066
1991	40.184351595988794
1992	38.5429544336647
1993	39.90006845159109
1994	34.53070430971019
1995	37.280281157665506
1996	42.384851960879786
1997	45.042249161223
1998	44.39459060303802
1999	43.26549942332881
2000	40.682173914340254
2001	35.780774615764784
2002	37.66274226140399
2003	38.41661100922199
2004	34.00607685657092
2005	33.19992046869101
2006	31.82010795943061
2007	35.66751437014178
2008	36.18316332123849
2009	33.50668057077551
2010	31.852221112284234
2011	27.847693468173567
2012	33.77462417104902
2013	29.607636457103226
2014	32.624270816267384
2015	31.5564513257888
2016	22.97758141596812
2017	21.23054031310373
2018	21.993473158050193
2019	20.16401534844429
2020	20.320862754426468
2021	6.35709212800824
2022	5.031292661501224
2023	5.59153896216642