Year	2004-2006 = 100
1961	28.37
1962	28.84
1963	29.71
1964	30.16
1965	30.69
1966	29.7
1967	29.8
1968	28.44
1969	27.37
1970	25.62
1971	31.3
1972	30.19
1973	32.68
1974	33.3
1975	39.29
1976	38.3
1977	39.04
1978	38.69
1979	42.33
1980	43.97
1981	43.66
1982	44.2
1983	40.22
1984	43.47
1985	45.24
1986	52.26
1987	51.66
1988	57.65
1989	60.31
1990	56.68
1991	53.28
1992	61.08
1993	64.75
1994	63.8
1995	65.21
1996	64.79
1997	69.42
1998	75.13
1999	75.65
2000	82.89
2001	89.58
2002	89.54
2003	93.31
2004	96.48
2005	97.96
2006	105.55
2007	115.9
2008	121.24
2009	126.41
2010	136.14
2011	133.53
2012	141.49
2013	138.87
2014	137.49
2015	134.35
2016	141.69