Year	2004-2006 = 100
1961	16.79
1962	22.05
1963	20.52
1964	17.63
1965	16.26
1966	17.24
1967	19.13
1968	20.38
1969	22.93
1970	23.97
1971	23.67
1972	21.36
1973	24.67
1974	33.66
1975	30.9
1976	30.01
1977	29.07
1978	27.17
1979	29.02
1980	33.09
1981	35.37
1982	38.24
1983	40.05
1984	40.11
1985	53.23
1986	42.49
1987	32.63
1988	29.09
1989	33.17
1990	27.79
1991	30.85
1992	41.31
1993	42.01
1994	44.79
1995	46.06
1996	40.22
1997	51.4
1998	59.1
1999	74.2
2000	83.95
2001	96.5
2002	107.48
2003	105.34
2004	102.65
2005	75.13
2006	122.23
2007	128.13
2008	132.07
2009	132.56
2010	139.11
2011	149.38
2012	153.91
2013	166.92
2014	166.57
2015	170
2016	169.47