Year	% of GDP
1960	8.0224755713074
1961	8.659017155045053
1962	9.358165974083851
1963	9.713777982236971
1964	9.544509847851112
1965	10.30051700441701
1966	11.315778206194246
1967	11.058574886193114
1968	11.71482208699534
1969	12.184347828148761
1970	12.981441034957394
1971	13.992551294036794
1972	14.522858464719372
1973	13.817176804966234
1974	12.324332307834768
1975	13.186193770178715
1976	16.773971439098695
1977	17.429265998045565
1978	18.528976557218556
1979	19.811585875960013
1980	19.341911388156916
1981	19.92953541093775
1982	21.313573097655887
1983	21.923565191958975
1984	23.179770555651803
1985	23.79479686267084
1986	25.013241849594994
1987	24.495835761431305
1988	24.396446895244278
1989	25.32578509562143
1990	23.912640608177753
1991	22.426173484619035
1992	23.17923102325069
1993	22.665995912924593
1994	22.67052082715258
1995	22.812462413588445
1996	23.307279922477164
1997	23.50932299869159
1998	23.72131287640084
1999	25.127622444778165
2000	25.96530452490395
2001	26.42653397886859
2002	29.335904564246885
2003	29.21558022967132
2004	33.293665098138625
2005	36.57298377873951
2006	39.56965171659576
2007	41.63537931886395
2008	44.54973602504901
2009	43.57738362817326
2010	46.034960991401455
2011	46.35625054540146
2012	46.399963639587284
2013	46.50943911244408
2014	46.438141119836196
2015	46.41260415383034
2016	44.15806552505167
2017	44.51179456701018
2018	45.85528938791722
2019	46.41468886102816
2020	49.35161044416172
2021	46.40361095084166