Year	2004-2006 = 100
1961	8.17
1962	13.9
1963	12.72
1964	10.36
1965	8.16
1966	8.79
1967	8.52
1968	9.71
1969	11.13
1970	12.41
1971	14.04
1972	11
1973	12.09
1974	18.55
1975	15.34
1976	17.24
1977	18.76
1978	16.4
1979	18.24
1980	24.34
1981	27.19
1982	30.13
1983	31.11
1984	33.23
1985	53.47
1986	39.41
1987	27.54
1988	22.09
1989	27.85
1990	20.03
1991	24
1992	37.55
1993	36.87
1994	39.76
1995	39.7
1996	31.62
1997	46.18
1998	56.6
1999	72.39
2000	82.14
2001	97.18
2002	110.49
2003	106.8
2004	100.56
2005	69.37
2006	130.07
2007	137.43
2008	141.94
2009	142.01
2010	149.39
2011	161.37
2012	166.49
2013	182.62
2014	183.14
2015	187.53
2016	187.03