Year	2004-2006 = 100
1961	18.17
1962	18.79
1963	19.22
1964	19.96
1965	20.78
1966	21.91
1967	22.64
1968	23.95
1969	24.71
1970	26.39
1971	25.66
1972	26.65
1973	27.51
1974	29.35
1975	30.13
1976	31.33
1977	32.91
1978	35.58
1979	37.6
1980	36.53
1981	36.87
1982	68.32
1983	61.49
1984	64.4
1985	59.67
1986	62.06
1987	61.07
1988	68.73
1989	73.53
1990	47.96
1991	51.52
1992	52.54
1993	55.93
1994	59.61
1995	65.16
1996	71.52
1997	78.66
1998	74.82
1999	79.23
2000	85.78
2001	92.94
2002	92.35
2003	94.08
2004	96.8
2005	96.31
2006	106.89
2007	113.26
2008	120.39
2009	118.27
2010	123.21
2011	130.16
2012	127.3
2013	132.86
2014	128.63
2015	121.82
2016	124.15