Year	2004-2006 = 100
1961	27.64
1962	28.01
1963	28.62
1964	32.44
1965	29.32
1966	29.47
1967	32.16
1968	31.19
1969	33.81
1970	34.75
1971	36.11
1972	35.31
1973	35.65
1974	40.29
1975	37.53
1976	33.09
1977	29.45
1978	29.14
1979	30.36
1980	30.55
1981	30.09
1982	28.13
1983	28.61
1984	35.93
1985	35.53
1986	38.7
1987	39.54
1988	40.44
1989	44.85
1990	37.03
1991	54.84
1992	54.04
1993	58.08
1994	55.15
1995	63.27
1996	68.44
1997	66.91
1998	72.81
1999	77.76
2000	78.74
2001	82.04
2002	90.16
2003	93.94
2004	97.45
2005	99.71
2006	102.84
2007	100.56
2008	112.74
2009	124.09
2010	127.03
2011	132.09
2012	139.18
2013	144.05
2014	150.5
2015	151.03
2016	153.14