Year	% of GDP
1960	14.673993687111997
1961	16.062956867710795
1962	14.637136904029893
1963	15.3156327179279
1964	14.725612745927947
1965	14.335048321552984
1966	14.662474248744422
1967	13.697942892906642
1968	14.022190925809383
1969	14.51875993629416
1970	14.230446986903505
1971	15.262014738961843
1972	15.392716291034377
1973	14.442814615426897
1974	14.337681991269372
1975	14.51630095504049
1976	14.951437281309449
1977	14.801028803514921
1978	15.19621594699419
1979	15.324243928762254
1980	15.12205514779366
1981	15.023854672636666
1982	15.63539009360043
1983	15.980721137562673
1984	16.49020056919886
1985	16.38149972153559
1986	16.438055718510032
1987	15.283026437811504
1988	15.130395358700852
1989	16.43457033046188
1990	17.57509087641303
1991	15.902885871875345
1992	15.070208510036187
1993	16.429861870200607
1994	16.05115581799384
1995	16.69851207725244
1996	16.34421068642802
1997	16.67038410936356
1998	16.76985118829849
1999	16.603424550946393
2000	16.239944728178223
2001	16.386977038584284
2002	16.43735436276775
2003	16.01456239369962
2004	15.411501139241714
2005	15.442661176968558
2006	15.457392061395128
2007	15.40567884514023
2008	15.440631588270987
2009	16.31889370591252
2010	15.834488193263857
2011	15.83870858101171
2012	16.07236336120304
2013	16.31421161279489
2014	16.23145652318268
2015	16.41803713095971
2016	16.62209597022766
2017	16.5471744552887
2018	16.493797545234795
2019	16.755878213699372
2020	17.390258649095237
2021	16.055622982507362
2022	15.97509498393076