Year	% of GDP
1960	40.851553509781354
1961	35.376344086021504
1962	37.89260385005066
1963	35.90909090909091
1964	35.35598705501618
1965	43.519781718963166
1966	43.280632411067195
1967	40.226063829787236
1968	41.76470588235294
1969	45.92703648175912
1970	46.52501106684374
1971	44.16
1972	46.642984014209596
1973	48.98600399885747
1974	51.137339055793994
1975	47.662313079689575
1976	50.56696291756053
1977	56.203529517154884
1978	60.71190317354427
1979	59.967401318120615
1980	57.92028376738541
1981	53.084294880621265
1982	57.341152791754865
1983	59.73059911540008
1984	49.242869445337654
1985	44.892551479676314
1986	47.77538996427405
1987	50.60053619302949
1988	49.61301222607392
1989	48.96748126958949
1990	44.8476174659294
1991	45.51047587896993
1992	44.77905721803505
1993	36.93086438883294
1994	37.790585975024015
1995	38.778590502728434
1996	38.95508303421027
1997	35.781597630620546
1998	36.014107308048104
1999	35.7763437934285
2000	35.27152195930393
2001	35.2418001245052
2002	35.148377061929516
2003	36.54540590135389
2004	37.952426093009564
2005	37.45301293018359
2006	28.333095987362235
2007	27.29411448466304
2008	29.408096757841435
2009	30.99338420954034
2010	28.03873796364906
2011	23.663704967183964
2012	22.131154690157228
2013	20.369842540671268
2014	19.583773132466884
2015	19.982650598575763
2016	20.844292919241855
2017	19.561709918423904
2018	18.13655031925207
2019	17.323230201461975
2020	18.853782661648598
2021	19.657473522733202
2022	19.513638202715818
2023	21.10265098455374