Year	2004-2006 = 100
1961	30.99
1962	30.99
1963	33.33
1964	33.94
1965	30.76
1966	31.7
1967	36.81
1968	39.78
1969	43.36
1970	55.41
1971	54.38
1972	55.71
1973	54.96
1974	58.53
1975	63.35
1976	60.44
1977	60.34
1978	61.27
1979	45.68
1980	44.37
1981	49.17
1982	52.3
1983	55.46
1984	52.04
1985	53.17
1986	52.57
1987	55.33
1988	58.65
1989	63.04
1990	66.53
1991	68.62
1992	68.45
1993	72.21
1994	70.37
1995	73.58
1996	69.69
1997	71.4
1998	78.41
1999	82.87
2000	85.72
2001	90.37
2002	94.79
2003	99.36
2004	99.41
2005	100.53
2006	100.06
2007	103.37
2008	89.25
2009	93.91
2010	96.89
2011	98.08
2012	96.49
2013	98.36
2014	101.04
2015	100.73
2016	98.31