Year	2004-2006 = 100
1961	38.22
1962	34.24
1963	41.94
1964	44.2
1965	41.12
1966	40.05
1967	42.39
1968	52.35
1969	44.18
1970	59.2
1971	46.37
1972	36.7
1973	26.71
1974	20.98
1975	24.64
1976	24.11
1977	22.39
1978	20.97
1979	14.46
1980	27.4
1981	26.16
1982	33.16
1983	35.57
1984	27.32
1985	35.08
1986	39.06
1987	36.39
1988	46.27
1989	48.41
1990	46.45
1991	47.49
1992	48.01
1993	49.93
1994	48.08
1995	62.19
1996	62.66
1997	64.3
1998	65.11
1999	73.25
2000	74.67
2001	76.06
2002	72.77
2003	86.26
2004	82.23
2005	104.07
2006	113.7
2007	119.33
2008	129.72
2009	134.86
2010	146.55
2011	168.16
2012	172.88
2013	175.61
2014	176.12
2015	178.57
2016	187.64