Year	2004-2006 = 100
1961	29.94
1962	31.85
1963	32.14
1964	33.92
1965	34.83
1966	35.42
1967	36.05
1968	36.56
1969	37.21
1970	37.56
1971	38.18
1972	38.72
1973	39.72
1974	40.11
1975	41.12
1976	41.37
1977	42.4
1978	42.88
1979	43.65
1980	44.09
1981	45.33
1982	46.08
1983	47.42
1984	49.14
1985	46.26
1986	49.21
1987	48.76
1988	51.31
1989	53.7
1990	54.95
1991	56.78
1992	41.07
1993	48.68
1994	57.52
1995	53.73
1996	59.06
1997	74.64
1998	71.13
1999	66.46
2000	76.29
2001	81.09
2002	78.61
2003	83.05
2004	96.37
2005	95.24
2006	108.4
2007	102.23
2008	100
2009	100.08
2010	105.54
2011	107.1
2012	115.36
2013	106.32
2014	115.22
2015	118.49
2016	121.39