Year	2004-2006 = 100
1961	19.84
1962	20.43
1963	20.95
1964	21.56
1965	22.08
1966	22.37
1967	22.9
1968	23.5
1969	24.14
1970	24.75
1971	25.37
1972	26.07
1973	26.88
1974	27.65
1975	28.35
1976	29.22
1977	30.12
1978	30.99
1979	31.98
1980	33.04
1981	34.04
1982	35.24
1983	36.46
1984	38.77
1985	41.13
1986	44.86
1987	47.49
1988	50.61
1989	53.39
1990	56.13
1991	58.86
1992	62.19
1993	66.31
1994	70.14
1995	74.02
1996	75.9
1997	79.57
1998	80.55
1999	83.13
2000	85.56
2001	87.92
2002	90.43
2003	93.21
2004	95.63
2005	98.31
2006	106.06
2007	109.66
2008	113.38
2009	117.39
2010	121.71
2011	126.03
2012	130.42
2013	135.06
2014	137.85
2015	140.97
2016	137.32