Year	2004-2006 = 100
1961	28.94
1962	29.3
1963	29.92
1964	32.24
1965	32.46
1966	33.71
1967	35.42
1968	36.36
1969	38.28
1970	41.95
1971	44.46
1972	47.6
1973	48.69
1974	53
1975	56.23
1976	59.76
1977	63.56
1978	66.84
1979	70.81
1980	74.13
1981	77.2
1982	78.12
1983	82.36
1984	83.73
1985	87.72
1986	90.89
1987	93.8
1988	97.04
1989	97.59
1990	98.78
1991	99.8
1992	80.19
1993	71.28
1994	66.03
1995	60.87
1996	55.85
1997	46.35
1998	55.36
1999	66.09
2000	78.39
2001	92.24
2002	98.17
2003	100.18
2004	101.19
2005	100.84
2006	97.97
2007	95.43
2008	94.5
2009	97.03
2010	97.97
2011	102.92
2012	104.3
2013	104.3
2014	104.02
2015	103.66
2016	103.65