Year	2014-2016 = 100
1961	2.78
1962	2.85
1963	2.84
1964	2.79
1965	3.37
1966	3.26
1967	3.44
1968	2.95
1969	3.48
1970	3.78
1971	3.24
1972	3.69
1973	4.39
1974	4.53
1975	6.52
1976	7.36
1977	7.76
1978	9.05
1979	10.86
1980	12.25
1981	9.51
1982	12.85
1983	11.64
1984	13.81
1985	15.81
1986	14.63
1987	19.58
1988	12.26
1989	13.41
1990	12.75
1991	15.26
1992	17.78
1993	19.75
1994	14
1995	13.28
1996	14.08
1997	21.94
1998	20.37
1999	22.01
2000	26.43
2001	21.34
2002	21.92
2003	19.84
2004	17.35
2005	19.01
2006	19.78
2007	22.09
2008	22.47
2009	28.01
2010	24.39
2011	40.1
2012	63.26
2013	86.43
2014	81.31
2015	98.77
2016	119.93
2017	147.84
2018	139.56
2019	140.73
2020	129.89
2021	128.38
2022	134.41
