Year	2004-2006 = 100
1961	26.07
1962	28.11
1963	31.17
1964	31.93
1965	29.83
1966	30.91
1967	34.65
1968	36.33
1969	36.04
1970	39.28
1971	39.99
1972	41.89
1973	42.86
1974	46.91
1975	46.85
1976	44.06
1977	44.85
1978	44.29
1979	45.37
1980	46.52
1981	47.52
1982	49.42
1983	48.8
1984	49.27
1985	52.42
1986	56.86
1987	48.79
1988	51.86
1989	52.75
1990	54.8
1991	56.26
1992	56.11
1993	59.35
1994	62.83
1995	67.53
1996	71.74
1997	67.78
1998	72.47
1999	75.81
2000	77.83
2001	78.6
2002	80.62
2003	83.33
2004	85.97
2005	103.59
2006	110.44
2007	117.22
2008	121.06
2009	131.47
2010	145.29
2011	149.22
2012	158.82
2013	162.37
2014	163.67
2015	172.49
2016	186.04