Year	2004-2006 = 100
1961	23.82
1962	25.22
1963	26.98
1964	34.3
1965	33.41
1966	34.92
1967	36.86
1968	36.89
1969	42.08
1970	43.95
1971	47.98
1972	44.17
1973	48.46
1974	48.33
1975	50
1976	50.49
1977	56.51
1978	59.59
1979	63.74
1980	67.87
1981	70.62
1982	68.37
1983	69.06
1984	69.44
1985	74.48
1986	80
1987	80.57
1988	81.63
1989	86.5
1990	92
1991	93.75
1992	94.83
1993	88.47
1994	93.76
1995	94.82
1996	96.42
1997	96.09
1998	94.63
1999	92.19
2000	92.6
2001	93.7
2002	97.49
2003	99.44
2004	98.13
2005	99.56
2006	102.31
2007	106.4
2008	105.75
2009	96.27
2010	102.72
2011	115.95
2012	104.31
2013	110.02
2014	109.63
2015	109.24
2016	109.67