Year	2004-2006 = 100
1961	18.29
1962	17.88
1963	18.21
1964	24.35
1965	24.36
1966	25.06
1967	27.32
1968	26.65
1969	29.58
1970	29.88
1971	27.9
1972	27.76
1973	29.44
1974	30.24
1975	29.71
1976	26.38
1977	28.69
1978	24.59
1979	32.09
1980	34.86
1981	37.79
1982	37.15
1983	36.59
1984	42.26
1985	43.03
1986	44.05
1987	39.77
1988	36.5
1989	46.22
1990	51.33
1991	44.34
1992	51.56
1993	47.73
1994	56.22
1995	49.55
1996	50
1997	56.99
1998	59.47
1999	70.71
2000	83.69
2001	84.78
2002	94.03
2003	90.19
2004	95.61
2005	100.69
2006	103.71
2007	112.62
2008	121.86
2009	130.22
2010	137.56
2011	150.15
2012	167.01
2013	174.31
2014	207.87
2015	231.59
2016	241.11