Year	2004-2006 = 100
1961	23.6
1962	23.54
1963	24.21
1964	25.34
1965	26.57
1966	28.17
1967	29.2
1968	31
1969	31.16
1970	32.64
1971	31.95
1972	34.07
1973	35.51
1974	36.41
1975	40.21
1976	43.61
1977	44.17
1978	43.81
1979	44.07
1980	45.76
1981	45.24
1982	47.6
1983	44.57
1984	41.99
1985	45.63
1986	46.64
1987	47.81
1988	49.03
1989	50.79
1990	63.69
1991	85.89
1992	86.07
1993	87.14
1994	82.84
1995	81.29
1996	80.48
1997	81.18
1998	84.91
1999	89.66
2000	91.67
2001	95.68
2002	100.25
2003	99.99
2004	98.19
2005	102.09
2006	99.73
2007	103.68
2008	118.21
2009	144.81
2010	165.7
2011	168.29
2012	179.99
2013	197.26
2014	196.97
2015	201.68
2016	200.58