Year	% of GDP
1960	70.8113203367978
1961	70.22746397775093
1962	70.56443983374747
1963	70.7276890460115
1964	68.78814670265766
1965	69.26568077755935
1966	70.28506427210705
1967	70.53638002357259
1968	71.43811675357328
1969	71.33391129005838
1970	70.52900516179669
1971	71.34050083318128
1972	71.86014181809234
1973	71.39823116474435
1974	72.37961892238467
1975	71.48810227600129
1976	73.61086531220239
1977	76.51379466235613
1978	76.64803556710818
1979	76.3160926597864
1980	75.9443721747448
1981	77.25903055882722
1982	77.899541409051
1983	75.66683591014922
1984	73.47900326577846
1985	73.56321123138783
1986	73.61580192126847
1987	73.91990970937152
1988	73.17736158119239
1989	72.17516999874077
1990	72.78031208127429
1991	75.26615997490134
1992	76.79631898146015
1993	78.2304203738037
1994	76.22727861735615
1995	73.50586566937962
1996	73.87277056113317
1997	73.27092824636138
1998	72.70469435483685
1999	72.90056851552708
2000	72.05058985088559
2001	71.78562713007108
2002	72.58506982930614
2003	72.64837985301553
2004	71.35645118320511
2005	71.44153103714153
2006	69.96464710532959
2007	69.06006063347706
2008	69.79960161218996
2009	73.56426661702334
2010	71.92863405083024
2011	71.41437348859479
2012	72.63597470108888
2013	73.23892116271581
2014	72.89709046191453
2015	71.76158968376728
2016	72.22230149686378
2017	71.74059597491423
2018	71.75667822213421
2019	70.69161059477953
2020	70.41953439668411
2021	69.3878748752861
2022	68.78070705583859
2023	68.84508248729956