Year	2004-2006 = 100
1961	17.96
1962	18.85
1963	20.61
1964	20.98
1965	21.2
1966	22.26
1967	25.85
1968	27.12
1969	31.81
1970	32.08
1971	31.19
1972	31.64
1973	33.86
1974	35.99
1975	37.31
1976	40.38
1977	42.86
1978	44.83
1979	43.93
1980	46.62
1981	55.43
1982	57.81
1983	54.14
1984	54.31
1985	48.05
1986	60.5
1987	61.4
1988	59.25
1989	59.17
1990	61.19
1991	69.84
1992	71.27
1993	71.13
1994	66.34
1995	70.38
1996	85.22
1997	76.61
1998	82.01
1999	82.27
2000	92.47
2001	97.7
2002	85.74
2003	89.61
2004	98.76
2005	96.31
2006	104.93
2007	123.33
2008	144.09
2009	159.12
2010	159.11
2011	181.45
2012	205.15
2013	239.25
2014	241.84
2015	245.5
2016	243.73
