Year	2004-2006 = 100
1961	28.11
1962	29.45
1963	31.33
1964	33.37
1965	35.93
1966	37.43
1967	39.25
1968	40.31
1969	42.53
1970	43.08
1971	42.11
1972	37.14
1973	30.81
1974	32.77
1975	37.03
1976	39.45
1977	41.14
1978	46.28
1979	48.58
1980	53.01
1981	59.68
1982	61.61
1983	57.29
1984	54.49
1985	46.9
1986	52.29
1987	51.79
1988	53.73
1989	55.41
1990	57.89
1991	61.68
1992	57.39
1993	58.03
1994	58.77
1995	60.63
1996	62.01
1997	63.54
1998	66.73
1999	69.93
2000	75.47
2001	79.53
2002	80.78
2003	86.95
2004	95.02
2005	101.53
2006	103.44
2007	120.17
2008	133.84
2009	136.98
2010	129.52
2011	133.74
2012	142.92
2013	134.28
2014	140.41
2015	132.82
2016	134.92