Year	2004-2006 = 100
1961	29.83
1962	30.2
1963	31.21
1964	32.15
1965	32.42
1966	32.04
1967	32.75
1968	31.25
1969	34.53
1970	37.82
1971	38.93
1972	38.09
1973	39.01
1974	40.09
1975	41.66
1976	44.13
1977	46.15
1978	49.35
1979	55.76
1980	56.69
1981	62.32
1982	61.79
1983	62.13
1984	70.25
1985	72.55
1986	70.55
1987	56.31
1988	58.65
1989	61.75
1990	62.12
1991	67.03
1992	71.98
1993	70.66
1994	71.33
1995	77.69
1996	79.02
1997	82.09
1998	83.76
1999	79.28
2000	81.62
2001	78.78
2002	79.56
2003	81.58
2004	91.96
2005	103.19
2006	104.84
2007	112.32
2008	116.88
2009	107.67
2010	110.74
2011	112.05
2012	112.13
2013	115.05
2014	117.03
2015	116.07
2016	112.42