Year	% of GDP
1960	68.50582590815627
1961	65.00313873195229
1962	60.05385996409336
1963	54.16528377032858
1964	66.39712488769092
1965	65.15862068965518
1966	66.10082304526749
1967	60.87467669880085
1968	59.4341675734494
1969	59.50661853188929
1970	60.81030619865572
1971	59.617089168587135
1972	61.95561488403138
1973	64.71774193548387
1974	54.67686184141615
1975	47.351578947368424
1976	59.29935745092861
1977	60.7006312794523
1978	56.156819436775265
1979	52.1830932810497
1980	55.391246684350136
1981	62.961807323845164
1982	66.54218533886583
1983	70.19754768392372
1984	61.67768721120341
1985	59.94871282051282
1986	35.29493250207062
1987	52.69064884343456
1988	55.05075290117818
1989	68.48983747278824
1990	72.40345058679031
1991	63.29361699943541
1992	54.97369431249197
1993	61.09924159393816
1994	70.26352754707708
1995	62.671061893307844
1996	58.0231787390799
1997	60.391145384569015
1998	64.61947576750867
1999	64.0683964137746
2000	66.16056117045758
2001	67.17739299780067
2002	65.53065692244408
2003	60.848282915926255
2004	58.87487542365558
2005	73.40619749746776