Year	2004-2006 = 100
1961	41.87
1962	42.13
1963	42.65
1964	41.69
1965	42.75
1966	48.75
1967	44.28
1968	47.42
1969	50.33
1970	55.57
1971	65.82
1972	75.7
1973	81.53
1974	68.45
1975	68.1
1976	75.94
1977	81.73
1978	79.28
1979	73.01
1980	64.11
1981	59.65
1982	64.56
1983	66.08
1984	70.26
1985	68.84
1986	65.72
1987	72.84
1988	71.88
1989	70.28
1990	75.83
1991	74.1
1992	80.08
1993	70.51
1994	69.77
1995	71.71
1996	72.62
1997	74.39
1998	83.71
1999	89.23
2000	96.86
2001	101.88
2002	94.41
2003	97.24
2004	99.58
2005	99.67
2006	100.75
2007	102.51
2008	103.86
2009	104.08
2010	102.64
2011	102.63
2012	104.89
2013	105.35
2014	106.13
2015	103.9
2016	106.25