Year	% of GDP
1960	18.4986273703004
1961	18.2467885240803
1962	18.7590293160298
1963	19.1211869039122
1964	19.9681432544986
1965	22.1537059781466
1966	28.3883794237876
1967	31.0457171507852
1968	32.2784202248497
1969	33.6053262787437
1970	33.3915378370691
1971	35.6870877405652
1972	38.9020930811149
1973	40.8483935651544
1974	41.7671733281978
1975	43.1597882123367
1976	44.9792462007965
1977	48.1931925964036
1978	53.0321843237199
1979	55.6759907187851
1980	56.4166274479454
1981	69.8703435245061
1982	68.0638671135372
1983	63.0073389095121
1984	62.6187806556909
1985	63.2285856563746
1986	63.3047870421358
1987	64.0867018609316
1988	66.2202860451687
1989	69.8007233698493
1990	73.0680473500398
1991	74.9889209188726
1992	76.528598232828
1993	75.5320017616263
1994	74.7515063663867
1995	73.950513515171
1996	78.6330849908238
1997	81.5312687797375
1998	79.8625398131638
1999	77.2501108722246
2000	73.987738492292
2001	121.35283176137
2002	117.839456406914
2003	113.240980376842
2004	115.443313139541
2005	121.661092958293
2006	134.12080712347
2007	123.533648061052
2008	124.097771689277