Year	2004-2006 = 100
1961	14.08
1962	19.55
1963	17.97
1964	19.59
1965	19.14
1966	16.81
1967	20.3
1968	19.07
1969	21.09
1970	16.74
1971	19.08
1972	25.24
1973	16.77
1974	27.82
1975	28.69
1976	32.68
1977	31.7
1978	36.8
1979	34.11
1980	45.42
1981	46.55
1982	49.81
1983	48.28
1984	44.69
1985	47.13
1986	51.72
1987	44.44
1988	59.81
1989	43.61
1990	50.67
1991	49.67
1992	58.37
1993	54.09
1994	58.15
1995	61.92
1996	70.51
1997	61.48
1998	79.16
1999	65.98
2000	77.63
2001	76.27
2002	96.78
2003	89.87
2004	94.53
2005	98.8
2006	106.67
2007	93.6
2008	90.04
2009	96.23
2010	91.97
2011	102.84
2012	93.83
2013	83.43
2014	67.79
2015	78.8
2016	85.25