Year	2004-2006 = 100
1961	29.59
1962	32.12
1963	33.69
1964	36.39
1965	40.07
1966	41.58
1967	41.72
1968	31.48
1969	31.83
1970	27.89
1971	24.59
1972	24.31
1973	23.52
1974	22.66
1975	23.23
1976	26.12
1977	26.33
1978	29.14
1979	29.71
1980	39.92
1981	30.15
1982	33.32
1983	28.22
1984	35.32
1985	35.93
1986	40.71
1987	60.09
1988	61.95
1989	63.17
1990	58.5
1991	54.34
1992	65.86
1993	66.48
1994	56.97
1995	70.45
1996	60.1
1997	66.51
1998	74.35
1999	86.12
2000	96.34
2001	95.76
2002	95.14
2003	94.26
2004	97.93
2005	100.39
2006	101.68
2007	111.27
2008	105.53
2009	111
2010	106.25
2011	93.24
2012	96.19
2013	100.6
2014	94.64
2015	93.9
2016	95.56