Year	2004-2006 = 100
1961	27.43
1962	27.79
1963	28.29
1964	32.18
1965	28.72
1966	29.1
1967	31.78
1968	30.53
1969	33.08
1970	34.46
1971	35.9
1972	34.79
1973	35.12
1974	40.02
1975	36.95
1976	32.2
1977	27.95
1978	27.33
1979	28.52
1980	28.46
1981	27.71
1982	25.33
1983	25.28
1984	33.43
1985	32.89
1986	36.17
1987	36.95
1988	38.05
1989	42.55
1990	34.27
1991	53.38
1992	52.6
1993	57.11
1994	53.75
1995	62.66
1996	68.07
1997	66.53
1998	73.01
1999	77.74
2000	78.19
2001	81.4
2002	90.4
2003	93.74
2004	97.47
2005	99.74
2006	102.79
2007	99.89
2008	112.36
2009	124.67
2010	127.66
2011	132.56
2012	140.2
2013	144.81
2014	151.66
2015	152.1
2016	154.28