Year	2004-2006 = 100
1961	71.47
1962	68.59
1963	84
1964	65.4
1965	86.92
1966	72.14
1967	85.56
1968	76.89
1969	85.28
1970	75.31
1971	78.05
1972	91.24
1973	90.79
1974	88.08
1975	66.3
1976	94.26
1977	89.46
1978	91.12
1979	93.07
1980	69.88
1981	79.94
1982	97.27
1983	80.67
1984	77.69
1985	85.57
1986	92
1987	94.86
1988	86.83
1989	86.76
1990	89.96
1991	90.35
1992	94.86
1993	91.93
1994	85.24
1995	92.29
1996	93.13
1997	100.95
1998	98.48
1999	76.48
2000	94.6
2001	108.2
2002	95.38
2003	100.9
2004	104.21
2005	98.5
2006	97.29
2007	92.01
2008	96.25
2009	100.33
2010	98.27
2011	97.63
2012	95.29
2013	93.17
2014	95.75
2015	94.18
2016	91.81