Year	2004-2006 = 100
1961	34.08
1962	35.37
1963	35.3
1964	35.68
1965	35.79
1966	37.8
1967	37.08
1968	37.56
1969	36.24
1970	36.9
1971	36.83
1972	38.09
1973	32.78
1974	29.51
1975	33.1
1976	35.34
1977	36.62
1978	39.97
1979	42.53
1980	43.69
1981	44.62
1982	45.61
1983	44.02
1984	34.68
1985	35.82
1986	42.87
1987	44.72
1988	46.16
1989	47.22
1990	48.33
1991	73.3
1992	75.17
1993	74.09
1994	73.21
1995	77.49
1996	78.5
1997	88.08
1998	88.93
1999	89.79
2000	89.72
2001	91.64
2002	93.87
2003	96.09
2004	98.11
2005	99.84
2006	102.05
2007	105.62
2008	107.66
2009	110.42
2010	111.57
2011	113.17
2012	114.04
2013	114.51
2014	116.08
2015	115.82
2016	117.13