Year	2004-2006 = 100
1961	33.64
1962	34.99
1963	35.01
1964	31.21
1965	36.24
1966	24.26
1967	26.64
1968	34.26
1969	31.61
1970	32.81
1971	34.08
1972	30.81
1973	29.41
1974	31.76
1975	34.58
1976	32.51
1977	26.85
1978	26.64
1979	30.08
1980	32.56
1981	33.48
1982	30.46
1983	32.15
1984	34.41
1985	42.11
1986	42.7
1987	43.13
1988	41.59
1989	45.4
1990	44.43
1991	56.18
1992	61.07
1993	59.52
1994	54.51
1995	61.28
1996	72.74
1997	59.24
1998	66.1
1999	70.33
2000	66.13
2001	70.44
2002	73.93
2003	85.66
2004	94.79
2005	98.73
2006	106.48
2007	95.15
2008	101.02
2009	122.17
2010	130.29
2011	144.1
2012	149.67
2013	164.91
2014	142.51
2015	151
2016	151.62