Year	% of GDP
1960	1.33038674274387
1961	1.32014208497048
1962	1.29021997609629
1963	1.24281713383915
1964	1.3032078648905498
1965	1.3269080550051902
1966	1.23436045763536
1967	1.18712684797857
1968	1.13285129943636
1969	1.09928037099096
1970	1.15860929602813
1971	1.24394513227465
1972	1.32881101131957
1973	1.31269490105501
1974	1.40693235636944
1975	1.62595896710865
1976	1.61516249948012
1977	1.52517744005848
1978	1.48308354739001
1979	1.58220056709233
1980	1.6652670122209698
1981	1.58060661844101
1982	1.59123694788544
1983	1.4926312327501
1984	1.4124394252766201
1985	1.41604420408081
1986	1.4232052652489
1987	1.28230024699033
1988	1.1994341526595
1989	1.1054761194707698
1990	1.20350328404375
1991	1.25393531255992
1992	1.20411854985202
1993	1.13922514870102
1994	1.10873259118524
1995	1.01435938826102
1996	0.989927158967187
1997	0.9240661273830201
1998	0.8238695159940831
1999	0.750676498659298
2000	0.695697742113547
2001	0.703517156269364
2002	0.6340137203860811
2003	0.587540935936822
2004	0.568322292110072
2005	0.540612698817302
2006	0.51315124388682
2007	0.5087547941612209
2008	0.576987820203192
2009	0.601169020641842
2010	0.5747607216616211
2011	0.544777356237159
2012	0.5129959601049511
2013	0.501845593229702
2014	0.460824185574416
2015	0.34185640314252197
2016	0.335189531022149
2017	0.30682097413840603
2018	0.287173967490535
2019	0.278633920598915
2020	0.269287013424504
2021	0.251475874908046
2022	0.22510912171670197