Year	2004-2006 = 100
1961	28.83
1962	28.5
1963	27.98
1964	31.8
1965	32.68
1966	32.7
1967	32.32
1968	33.14
1969	35.03
1970	36.47
1971	38.96
1972	37.99
1973	38.28
1974	40.8
1975	42.82
1976	43.92
1977	44.22
1978	42.94
1979	42.52
1980	43.2
1981	46.85
1982	48.85
1983	50.88
1984	47.87
1985	49.45
1986	51.05
1987	57.05
1988	60.83
1989	53.41
1990	56.21
1991	58.37
1992	60.15
1993	58.85
1994	59.67
1995	63.35
1996	67.27
1997	73.53
1998	74.82
1999	80.08
2000	82.79
2001	82.63
2002	87.15
2003	89.88
2004	92.15
2005	99.36
2006	108.48
2007	114.71
2008	123.63
2009	130.56
2010	135.97
2011	143.36
2012	150.37
2013	155.08
2014	155.83
2015	157.77
2016	159.04