Year	2004-2006 = 100
1961	21.96
1962	23.66
1963	22.82
1964	24.16
1965	25.91
1966	26.18
1967	30.09
1968	28.27
1969	28.82
1970	28
1971	33.82
1972	35.69
1973	37.74
1974	37.6
1975	37.11
1976	39.58
1977	43.75
1978	44.4
1979	44.1
1980	43.1
1981	44.62
1982	47.46
1983	45.02
1984	46.96
1985	47.72
1986	47.77
1987	47.28
1988	50.03
1989	50.25
1990	50.7
1991	55.85
1992	44.6
1993	59.34
1994	47.09
1995	58.48
1996	67.56
1997	66.31
1998	74.46
1999	84.16
2000	98.61
2001	106.12
2002	81.98
2003	94.4
2004	98.58
2005	84.27
2006	117.15
2007	133.85
2008	135.9
2009	158.7
2010	156.45
2011	163.73
2012	170.68
2013	183.11
2014	157.18
2015	144.38
2016	138.41