Year	% of GDP
1960	116.323024054983
1961	115.557337610265
1962	113.608562691131
1963	115.62729273661
1964	108.770668583753
1965	113.78889566809
1966	115.806451612903
1967	110.849539406346
1968	115.320606950563
1969	116.117381489842
1970	114.911193721603
1971	112.022397891963
1972	114.654377880184
1973	109.945054945055
1974	110.942578548212
1975	116.764206154427
1976	108.43137254902
1977	104.629120879121
1978	117.921818408892
1979	117.628687102371
1980	113.97870858621
1981	105.793700929519
1982	106.326268464997
1983	107.571343602738
1984	98.0555287604269
1985	105.702092652579
1986	102.138090698625
1987	102.357349508247
1988	109.220804096876
1989	115.737665004732
1990	109.638691167696
1991	106.035721588491
1992	119.249608575454
1993	116.091664126155
1994	132.112309662996
1995	117.719931239186
1996	109.05091584114
1997	112.228895041136
1998	105.334856041091
1999	115.271419743013
2000	109.731326582174
2001	111.135954265725
2002	110.179563445695
2003	110.501536337453
2004	113.769743073405
2005	121.205673363686
2006	119.092298238077
2007	109.821274635857
2008	116.652251595845
2009	111.62576554468
2010	112.073410490391
2011	107.233481442251
2012	115.417187457926
2013	106.631452634763
2014	105.55176676361
2015	107.613004283165
2016	112.532747805022
2017	107.219913343577