Year	2004-2006 = 100
1961	21.26
1962	22.6
1963	21.51
1964	22.78
1965	22.86
1966	23.54
1967	22.68
1968	26.06
1969	26.56
1970	28.1
1971	28.73
1972	28.69
1973	31.15
1974	32.45
1975	31.77
1976	31.52
1977	32.88
1978	35.1
1979	36.83
1980	39.82
1981	42.63
1982	41.91
1983	44.96
1984	48.81
1985	49.87
1986	52.35
1987	53.1
1988	56.14
1989	59.18
1990	61.34
1991	61.82
1992	66.7
1993	67.05
1994	67.62
1995	74.78
1996	75.96
1997	72.89
1998	74.44
1999	75.74
2000	78.31
2001	80.38
2002	85.03
2003	90.99
2004	94.94
2005	98.45
2006	106.61
2007	109.8
2008	114.92
2009	121.04
2010	123.66
2011	126.1
2012	135.54
2013	136.49
2014	139.24
2015	142.32
2016	142.89