Year	2004-2006 = 100
1961	25.03
1962	23.34
1963	26.07
1964	29.74
1965	29.98
1966	32.61
1967	30.83
1968	30.76
1969	35.58
1970	35.33
1971	36.5
1972	36.59
1973	37.99
1974	40.44
1975	46.07
1976	51.49
1977	55.58
1978	60.07
1979	62.67
1980	53.4
1981	59.81
1982	61.83
1983	63.86
1984	66.55
1985	69.58
1986	72.54
1987	73.76
1988	78.57
1989	79.96
1990	79.29
1991	78.27
1992	85.96
1993	86.53
1994	87.14
1995	91.91
1996	96.7
1997	99.1
1998	97.76
1999	102.79
2000	103.51
2001	103.56
2002	100.41
2003	98.43
2004	99.32
2005	99.9
2006	100.78
2007	101.47
2008	104.7
2009	107.62
2010	101.23
2011	98.02
2012	99.3
2013	103.61
2014	106.12
2015	104.3
2016	102.84