Year	2004-2006 = 100
1961	41.42
1962	45.7
1963	48.82
1964	50.23
1965	53.39
1966	58.2
1967	60.97
1968	59.69
1969	65.71
1970	69.38
1971	72.13
1972	76
1973	81.48
1974	90.7
1975	95.37
1976	97.01
1977	95.66
1978	96.85
1979	99.45
1980	99.42
1981	98.1
1982	98.1
1983	97.15
1984	97.58
1985	95.62
1986	95.39
1987	97.63
1988	98.66
1989	99.01
1990	99.55
1991	99.44
1992	98.71
1993	98.92
1994	98.47
1995	100.25
1996	99.39
1997	95.72
1998	95.65
1999	94.4
2000	93.41
2001	94.29
2002	95.37
2003	97.36
2004	99.27
2005	101.95
2006	98.78
2007	95.29
2008	97.43
2009	97.78
2010	97.63
2011	98.29
2012	96.84
2013	95.21
2014	95.8
2015	93.36
2016	91.91