Year	2004-2006 = 100
1961	15.69
1962	14.91
1963	16.76
1964	13.81
1965	12.91
1966	97
1967	93.46
1968	93.85
1969	89.27
1970	83.96
1971	89.66
1972	92.42
1973	91.08
1974	94.06
1975	93.8
1976	96.81
1977	95.43
1978	71.37
1979	91.62
1980	92.5
1981	92.5
1982	92.5
1983	88
1984	93.39
1985	94.22
1986	94.98
1987	96.8
1988	97.16
1989	97.23
1990	97.77
1991	98.68
1992	99.9
1993	100.67
1994	100.61
1995	100.72
1996	100.15
1997	100.67
1998	100.61
1999	100.37
2000	100.46
2001	100.37
2002	100.25
2003	100.16
2004	100.08
2005	100.01
2006	99.91
2007	99.83
2008	100.05
2009	100.08
2010	99.96
2011	100.34
2012	100.73
2013	101.64
2014	101.82
2015	100.67
2016	100.68