Year	2004-2006 = 100
1961	37.73
1962	36.45
1963	36.19
1964	37.45
1965	43.31
1966	39.83
1967	39.3
1968	51.21
1969	51.99
1970	57.4
1971	57.39
1972	58.08
1973	62.51
1974	60.32
1975	60.14
1976	64.47
1977	74.77
1978	73.45
1979	62.38
1980	56.78
1981	59.18
1982	56.27
1983	64.07
1984	69.41
1985	76.67
1986	78.95
1987	79.89
1988	82.01
1989	82.37
1990	81.48
1991	86.47
1992	97.46
1993	96.37
1994	103.59
1995	92.37
1996	104.54
1997	109.25
1998	115.74
1999	115.55
2000	110.37
2001	113.38
2002	114.9
2003	113.8
2004	101.96
2005	99.19
2006	98.85
2007	100.27
2008	105.69
2009	98.22
2010	95.5
2011	88.52
2012	85.69
2013	86.32
2014	87.75
2015	86.4
2016	87.46