Year	2004-2006 = 100
1961	36.33
1962	36.37
1963	41.23
1964	42.63
1965	37.41
1966	38.84
1967	45.53
1968	48.34
1969	55.5
1970	69.68
1971	67.42
1972	68.97
1973	69.15
1974	72.29
1975	76.93
1976	70.7
1977	70.45
1978	70.07
1979	48.78
1980	48.24
1981	52.77
1982	58.27
1983	61.34
1984	57.15
1985	58.39
1986	59.39
1987	63.2
1988	66.18
1989	70.35
1990	72.07
1991	73.76
1992	72.13
1993	77.07
1994	77.27
1995	80.61
1996	79.18
1997	79.27
1998	86.27
1999	91.57
2000	92.55
2001	98.37
2002	102.06
2003	102.25
2004	101.56
2005	100.35
2006	98.09
2007	101.55
2008	76.52
2009	79.4
2010	82.13
2011	83.43
2012	80.88
2013	82.81
2014	86.21
2015	84.67
2016	81.61