Year	2004-2006 = 100
1961	31.01
1962	29.19
1963	32.91
1964	34.98
1965	35.19
1966	34.81
1967	41.71
1968	40.65
1969	34.68
1970	38.74
1971	43.59
1972	47.98
1973	43.59
1974	51.55
1975	41.05
1976	36.23
1977	37.05
1978	44.92
1979	48.71
1980	55.75
1981	50.41
1982	59.23
1983	56.36
1984	56.54
1985	59.39
1986	64.05
1987	72.32
1988	72.68
1989	77.53
1990	83.64
1991	95.93
1992	101.02
1993	99.06
1994	103.64
1995	111.29
1996	116.18
1997	103.79
1998	98.34
1999	97.39
2000	98.52
2001	89.53
2002	98.08
2003	95.29
2004	103.36
2005	96.76
2006	99.88
2007	99.54
2008	103.48
2009	93.66
2010	93.45
2011	87.26
2012	87.75
2013	93.35
2014	90.87
2015	89.97
2016	87.87