Year	2004-2006 = 100
1961	17.6
1962	17.17
1963	17.44
1964	22.43
1965	22.92
1966	23.7
1967	25.39
1968	24.58
1969	27.14
1970	27.27
1971	25.37
1972	25.24
1973	25.98
1974	26.45
1975	25.85
1976	21.79
1977	22.73
1978	23.57
1979	27.73
1980	32.96
1981	35.68
1982	34.91
1983	35.45
1984	40.62
1985	42.05
1986	43.71
1987	39.97
1988	36.42
1989	45.92
1990	48.47
1991	43.36
1992	50.95
1993	47.99
1994	55.1
1995	52.3
1996	52.01
1997	58.48
1998	60.65
1999	73.41
2000	81.85
2001	84.27
2002	92.83
2003	91.32
2004	96.32
2005	100.95
2006	102.73
2007	110.08
2008	112.78
2009	120.05
2010	126.4
2011	138.93
2012	146.92
2013	155.88
2014	182.64
2015	202.98
2016	211.35