Year	2004-2006 = 100
1961	29.96
1962	31.42
1963	33.98
1964	41.35
1965	41.81
1966	42.07
1967	49.7
1968	51.72
1969	53.94
1970	54.42
1971	61.79
1972	68.07
1973	67.07
1974	70.29
1975	69.93
1976	71.36
1977	73.48
1978	77.48
1979	76.22
1980	78.82
1981	80.81
1982	87.13
1983	91.43
1984	83.85
1985	87.49
1986	81.12
1987	87.15
1988	78.13
1989	81.56
1990	96.87
1991	74.66
1992	80.54
1993	78.71
1994	76.91
1995	91.35
1996	92.52
1997	88.41
1998	93.9
1999	89.02
2000	87.42
2001	85.75
2002	93.55
2003	89.09
2004	101.93
2005	99.73
2006	98.35
2007	99.38
2008	92.67
2009	98.98
2010	96.77
2011	99.16
2012	102.9
2013	103.96
2014	103.52
2015	97.4
2016	99.97