Year	% of GDP
1960	29.899871092833287
1961	27.89321558627615
1962	26.156737741624976
1963	23.82619516794033
1964	22.545040783834157
1965	25.574812714989008
1966	28.113724244805017
1967	30.464177528856744
1968	32.68934809323279
1969	31.87235809784764
1970	36.53382352941176
1971	33.473106202421064
1972	36.69159081057651
1973	41.30919785011662
1974	37.47996213316503
1975	36.315482837306405
1976	37.31526794742164
1977	43.98363750786658
1978	46.667695822655844
1979	45.29660799507364
1980	46.27891554515311
1981	41.78816303571157
1982	48.131650869337676
1983	56.91994924342689
1984	69.35175599267342
1985	75.69119855812556
1986	70.49733321325287
1987	61.54574354798296
1988	51.536332217127935
1989	55.708404342914044
1990	54.698540592111144
1991	53.31591583109731
1992	53.3895810349003
1993	62.4977583352467
1994	57.34412696279991
1995	55.486369806033544
1996	50.534191591023905
1997	50.681519752028315
1998	52.8262343695442
1999	57.827850839710315
2000	62.28782597833573
2001	71.4666614647929
2002	81.1537216717051
2003	82.79553475589832
2004	77.72784367400195
2005	72.80423834236788
2006	68.1561019321086
2007	65.46519735036851
2008	67.64896016988227
2009	71.35838806423044
2010	72.00662024417669
2011	57.848111749697175