Year	2004-2006 = 100
1961	20.57
1962	23.27
1963	24.19
1964	25.32
1965	24.41
1966	20.85
1967	23.37
1968	24.75
1969	24.27
1970	24.94
1971	25.66
1972	24.13
1973	26.48
1974	26.57
1975	27.9
1976	28.3
1977	29.21
1978	32.21
1979	32.39
1980	38.52
1981	41.73
1982	43.63
1983	44.54
1984	45.31
1985	46.47
1986	46.55
1987	44.86
1988	42.98
1989	42.22
1990	42.72
1991	41.56
1992	47.19
1993	51.61
1994	55.12
1995	56.76
1996	58.91
1997	57.13
1998	58.59
1999	68.27
2000	73.15
2001	77.03
2002	78.76
2003	84.16
2004	89.88
2005	99.19
2006	110.92
2007	116.24
2008	123.79
2009	126.5
2010	128.78
2011	121.13
2012	115.9
2013	119.6
2014	122.33
2015	124.12
2016	124.34