Year	2004-2006 = 100
1961	21.89
1962	21.89
1963	21.89
1964	21.89
1965	21.89
1966	21.89
1967	21.89
1968	21.89
1969	21.89
1970	21.89
1971	21.89
1972	21.89
1973	21.89
1974	21.89
1975	21.89
1976	21.89
1977	27.39
1978	27.39
1979	28.29
1980	29.19
1981	30.14
1982	31.71
1983	30.51
1984	41.67
1985	52.79
1986	38.88
1987	36.18
1988	44.78
1989	46.8
1990	41.91
1991	69.85
1992	85.84
1993	72.7
1994	76.21
1995	75.7
1996	78.89
1997	93.44
1998	95.54
1999	95.66
2000	95.66
2001	98.43
2002	100.98
2003	100.59
2004	100.62
2005	99.7
2006	99.67
2007	106.22
2008	105.82
2009	108.09
2010	104.93
2011	105.05
2012	105.17
2013	105.29
2014	105.41
2015	105.53
2016	105.65