Year	2004-2006 = 100
1966	217.97
1967	221.64
1968	221.7
1969	226.08
1970	226.5
1971	227.02
1972	228.87
1973	229.93
1974	221.35
1975	229.83
1976	231.66
1977	232.2
1978	226.9
1979	231.73
1980	248.43
1981	233.44
1982	242.68
1983	281.25
1984	230.31
1985	231.57
1986	170.54
1987	207.48
1988	121.68
1989	218.55
1990	122.65
1991	106.51
1992	116.89
1993	110.06
1994	106.17
1995	104.73
1996	97.06
1997	93.94
1998	101.06
1999	99.13
2000	98.87
2001	99.72
2002	99.83
2003	99.92
2004	98.67
2005	100.58
2006	100.76
2007	101.66
2008	102.52
2009	102.36
2010	100.02
2011	103.11
2012	105.36
2013	105.72
2014	104.94
2015	103.09
2016	103.05
