Year	2004-2006 = 100
1961	8.14
1962	7.49
1963	7.2
1964	7.22
1965	7.32
1966	6.5
1967	8.84
1968	5.16
1969	7.96
1970	8.83
1971	9.97
1972	7.6
1973	11.28
1974	15
1975	15.61
1976	16.87
1977	16.3
1978	16.34
1979	17.91
1980	20.2
1981	20.14
1982	25.85
1983	34.62
1984	39.88
1985	44.85
1986	51.88
1987	49.6
1988	52.72
1989	51.77
1990	57.13
1991	60.72
1992	62.29
1993	60.97
1994	62.79
1995	63.93
1996	65.44
1997	75.71
1998	82.21
1999	80.28
2000	88.53
2001	95.07
2002	91.97
2003	94.46
2004	96.39
2005	100.57
2006	103.04
2007	106.55
2008	110.52
2009	112.67
2010	123.3
2011	123.3
2012	125.45
2013	131.23
2014	131.69
2015	136.9
2016	140.3