Year	% of GDP
1960	11.576042194903202
1961	12.76076218720995
1962	12.044819330396754
1963	12.832182661142614
1964	12.27711534850607
1965	11.54595411294801
1966	11.801241962335405
1967	10.712670477294523
1968	10.798678197564895
1969	11.192270529697621
1970	11.127792734252132
1971	11.850988797555935
1972	12.067341945770325
1973	11.573697011158533
1974	11.388087068153844
1975	11.587718620461578
1976	12.095440850035931
1977	12.146797057691476
1978	12.299952975450733
1979	12.737346733635132
1980	12.546106187232208
1981	12.36762415270064
1982	12.600807190888336
1983	12.761770658852974
1984	13.260777193708398
1985	13.270310598557078
1986	12.69167098963371
1987	11.482408306175703
1988	11.252258598780227
1989	12.057071083581546
1990	12.265378114324415
1991	12.247220807312866
1992	12.554040887634809
1993	12.433646330900558
1994	12.23810735955213
1995	11.911556118585183
1996	11.849276959497972
1997	12.315309750878265
1998	13.670807932831378
1999	14.55226421061485
2000	14.763239326006264
2001	14.762160336631522
2002	14.489528906675778
2003	13.946914424810211
2004	13.487561437592948
2005	13.56618930499868
2006	13.5973960150303
2007	13.547688142432618
2008	13.500766971928634
2009	14.021850463360114
2010	13.801180226828318
2011	14.37226393267556
2012	14.917488646924632
2013	15.122760356352611
2014	15.097558522628745
2015	15.525274311325921
2016	15.580352395475577
2017	15.502678240916188
2018	15.728536542776803
2019	15.878073634884595
2020	16.416110983847563
2021	15.347981003469535
2022	15.348100913973584