Year	% of GDP
1960	71.89795025331665
1961	71.19350578924059
1962	71.93426968805403
1963	72.51945834236106
1964	68.90945485393387
1965	70.06173402405557
1966	66.12163186804138
1967	66.60611085870059
1968	64.64039352809733
1969	62.75318229816646
1970	60.184044633814125
1971	64.65345435651983
1972	62.17114004783417
1973	59.011727200273256
1974	64.42915056095032
1975	68.22094092086571
1976	61.60566868464502
1977	55.64815312651218
1978	60.49577261395404
1979	64.50519268732297
1980	62.02559591817489
1981	61.73568111455109
1982	63.503027852829554
1983	61.144282982503306
1984	64.224843292329
1985	58.24234512694968
1986	59.92227154389317
1987	62.2532895990875
1988	61.54199737827023
1989	68.88507964303676
1990	62.38967338634157
1991	63.51437585717233
1992	67.30425087658102
1993	63.12596641587783
1994	62.416387246449204
1995	69.26173615543308
1996	76.06955252776898
1997	77.17953611064593
1998	77.69400906103162
1999	78.58002958846893
2000	78.29077156623894
2001	79.57030878603753
2002	78.61447034064052
2003	77.11918019547934
2004	75.52468789457039
2005	75.39938900563315
2006	76.23178007358592
2007	74.85466095924
2008	75.32755980730212
2009	72.47434243424648
2010	72.82572137768474
2011	76.0117563568555
2012	75.2015180428055
2013	76.49696252646704
2014	76.06804650694097
2015	75.51675787155065
2016	76.40732156062946
2017	77.91296197890561
2018	77.10290785945259
2019	77.42266129972015
2020	76.43936063880123
2021	75.49614962575436
2022	76.37858253156338
2023	76.99105155240777