Year	2004-2006 = 100
1966	218.91
1967	218.91
1968	218.91
1969	221.72
1970	221.72
1971	224.53
1972	224.53
1973	224.53
1974	227.33
1975	227.33
1976	230.14
1977	230.14
1978	230.14
1979	232.95
1980	235.75
1981	238.56
1982	238.56
1983	238.56
1984	168.4
1985	168.4
1986	179.62
1987	168.4
1988	250.79
1989	314.12
1990	192.36
1991	138.72
1992	108.52
1993	100.07
1994	109.32
1995	102.6
1996	101.59
1997	100.78
1998	100.14
1999	99.64
2000	99.28
2001	99.01
2002	98.82
2003	98.67
2004	98.95
2005	102.51
2006	98.54
2007	99.14
2008	98.41
2009	97.69
2010	103.07
2011	102.39
2012	101.71
2013	101.02
2014	100.34
2015	99.5
2016	98.67