Year	2004-2006 = 100
1961	4.07
1962	4.13
1963	4.26
1964	4.41
1965	4.51
1966	4.64
1967	4.79
1968	4.99
1969	5.29
1970	5.68
1971	6.02
1972	5.84
1973	6.68
1974	7.81
1975	7.61
1976	7.03
1977	8.42
1978	10.96
1979	12.33
1980	14.13
1981	15.41
1982	19.08
1983	22.12
1984	21.14
1985	21.27
1986	20.6
1987	19.9
1988	24.67
1989	29.03
1990	30.49
1991	37.94
1992	47.59
1993	51.2
1994	55.17
1995	65.9
1996	72.74
1997	89.92
1998	94.43
1999	144.31
2000	174
2001	105.01
2002	102.55
2003	92.07
2004	102.29
2005	105.26
2006	92.45
2007	92.47
2008	103.07
2009	101.17
2010	110.01
2011	64.26
2012	64.57
2013	66.66
2014	83.01
2015	98.59
2016	102.28