Year	2004-2006 = 100
1961	46.59
1962	46.41
1963	46.91
1964	48.91
1965	52.26
1966	51.93
1967	52.08
1968	53.4
1969	52.69
1970	54.53
1971	54.36
1972	54.95
1973	53.66
1974	54.06
1975	55.33
1976	57.94
1977	58.88
1978	57.99
1979	57.39
1980	60.31
1981	60.67
1982	62.71
1983	62.19
1984	63.67
1985	64.85
1986	63.78
1987	63.45
1988	66.78
1989	67.03
1990	68.1
1991	67
1992	70.68
1993	69.61
1994	71.33
1995	74.78
1996	79.68
1997	81.94
1998	86.13
1999	88.09
2000	89.04
2001	94.07
2002	98.31
2003	91.82
2004	97.82
2005	101.72
2006	100.47
2007	102.54
2008	101.35
2009	97.21
2010	97.34
2011	95.5
2012	88.62
2013	85.58
2014	85.7
2015	83.07
2016	83.25