Year	2004-2006 = 100
1961	27.5
1962	28.77
1963	28.96
1964	28.64
1965	27.91
1966	31.19
1967	31.27
1968	33.42
1969	31.07
1970	32.73
1971	33.06
1972	31.19
1973	28.44
1974	33.35
1975	34.63
1976	34.13
1977	36.78
1978	36.29
1979	39.3
1980	39.87
1981	43.11
1982	43.4
1983	40.6
1984	42.38
1985	42.3
1986	44.16
1987	46.61
1988	49.97
1989	54.02
1990	57.57
1991	59.86
1992	62.52
1993	66.47
1994	71.84
1995	76.2
1996	79.1
1997	79.33
1998	81.48
1999	80.86
2000	83.17
2001	89.76
2002	89.96
2003	91.78
2004	94.95
2005	99.61
2006	105.44
2007	102.06
2008	104.86
2009	104.56
2010	108.32
2011	112.03
2012	111.36
2013	111.37
2014	111.68
2015	111.84
2016	114.79