Year	% of GDP
1960	6.924360022846982
1961	6.511575283128714
1962	7.180628268409859
1963	7.802835196351543
1964	7.945996686601966
1965	8.296835527368625
1966	8.416086987220119
1967	8.960560120953058
1968	8.736342466224999
1969	8.458763958858075
1970	8.421593256895747
1971	9.395068783691604
1972	9.683919714104945
1973	10.29685545739909
1974	9.341645766821664
1975	10.582339296455318
1976	10.234885202993485
1977	12.537480068725312
1978	14.501104749022405
1979	14.793508947701783
1980	15.586891246400153
1981	9.567026996414942
1982	10.10674318548507
1983	10.659241997800867
1984	10.367065056532434
1985	9.938711334602237
1986	12.636504616505386
1987	13.132428943904916
1988	12.193176357469012
1989	11.612571607720232
1991	10.287213989679406
1992	11.050758280443189
1993	9.15354896966356
1994	8.119966733323528
1995	7.347017760525444
1996	7.013485803259655
1997	7.55117173738406
1998	8.026991593454143
1999	8.497348790533493
2000	7.729960211944033
2001	8.476703345375599
2002	7.784903372883134
2003	8.414561454351524
2004	7.785119278819192
2005	7.796699692135104
2006	8.214654011025251
2007	10.522850055155152
2008	12.759188056636674
2009	14.349304238629557
2010	12.41703233444587
2011	11.462294418628868
2012	11.73651311977365
2013	12.493160658037088
2014	13.692665921848759
2015	14.975795683491164
2016	15.463649999557465
2017	14.427534650174685
2018	13.161624080352587
2019	13.231581780199768
2020	14.60918959341202
2021	14.608115303787466
2022	15.755407026778123