Year	2004-2006 = 100
1961	34.94
1962	36.28
1963	40.92
1964	35.91
1965	41.42
1966	43.6
1967	47.97
1968	52.41
1969	56.49
1970	53.62
1971	51.73
1972	55.32
1973	58.25
1974	60.92
1975	67.63
1976	57.02
1977	67.61
1978	75.1
1979	75.4
1980	69.07
1981	75.09
1982	71.76
1983	71.09
1984	72.19
1985	72.47
1986	75.22
1987	77.53
1988	82.79
1989	70.95
1990	71.77
1991	76.7
1992	78.95
1993	80.69
1994	84.28
1995	87.54
1996	92.87
1997	93.29
1998	93.63
1999	94.53
2000	95.43
2001	95.59
2002	97.32
2003	96.85
2004	99.25
2005	99.27
2006	101.48
2007	104.76
2008	104.7
2009	94.44
2010	95.45
2011	96.41
2012	88.64
2013	87.61
2014	88.17
2015	79.27
2016	77.95