Year	2004-2006 = 100
1961	11.74
1962	13.15
1963	14.1
1964	15
1965	15.88
1966	17.03
1967	18.35
1968	20.22
1969	21.66
1970	21.67
1971	23.71
1972	24.55
1973	11.86
1974	12.27
1975	11.73
1976	11.23
1977	25.86
1978	29.47
1979	34.09
1980	31.74
1981	36.7
1982	37.74
1983	39.41
1984	42.87
1985	44.48
1986	48.71
1987	50.39
1988	53.83
1989	64.09
1990	69.55
1991	83.75
1992	92.49
1993	91.46
1994	94.07
1995	106.85
1996	112.31
1997	125.81
1998	102.33
1999	110.02
2000	118.08
2001	94.05
2002	109.84
2003	93.75
2004	99.66
2005	95.08
2006	105.27
2007	123.94
2008	113.21
2009	125.68
2010	134.93
2011	143.94
2012	147.58
2013	166.29
2014	164
2015	171.26
2016	169.67