Year	2004-2006 = 100
1961	23.84
1962	24.94
1963	26.09
1964	26.85
1965	27.45
1966	28.93
1967	30.8
1968	34.47
1969	34.23
1970	36.59
1971	34.25
1972	34.57
1973	30.69
1974	30.74
1975	32.04
1976	32.81
1977	44.03
1978	43.64
1979	41.01
1980	46.19
1981	46.55
1982	47.12
1983	47.34
1984	41.94
1985	32.63
1986	34.82
1987	38.06
1988	40.6
1989	42.69
1990	46.28
1991	47.15
1992	50.98
1993	53.44
1994	54.96
1995	54.83
1996	66.97
1997	67.59
1998	70.88
1999	74.02
2000	79.59
2001	85.49
2002	87.17
2003	90.48
2004	94.96
2005	100.28
2006	104.76
2007	109.93
2008	116.8
2009	105.88
2010	108.38
2011	100.21
2012	101.91
2013	100.27
2014	101.45
2015	102.65
2016	103.86
