Year	2004-2006 = 100
1961	17.63
1962	24.82
1963	21.38
1964	24.6
1965	23.21
1966	18.25
1967	23.43
1968	22.32
1969	24.32
1970	19.46
1971	23.2
1972	31.58
1973	20.23
1974	33.91
1975	34.19
1976	40.04
1977	36.84
1978	41.79
1979	35.25
1980	50.58
1981	49.83
1982	52.75
1983	51.89
1984	46.2
1985	50.73
1986	55.94
1987	45.33
1988	65.33
1989	41.68
1990	51.64
1991	51.58
1992	65.9
1993	61.46
1994	64.95
1995	67.19
1996	78.32
1997	67.53
1998	86.56
1999	67.03
2000	81.29
2001	81.81
2002	103.32
2003	93.46
2004	95.14
2005	99.81
2006	105.05
2007	83.79
2008	81.36
2009	93.49
2010	88.03
2011	102.07
2012	91.58
2013	81.63
2014	54.83
2015	70.2
2016	77.99