Year	2014-2016 = 100
1961	4.81
1962	4.89
1963	5.29
1964	5.65
1965	6.04
1966	6.34
1967	6.79
1968	6.91
1969	7.16
1970	7.54
1971	7.69
1972	7.67
1973	8.3
1974	8.15
1975	8.46
1976	8.81
1977	9.02
1978	9.36
1979	9.99
1980	10.43
1981	11.28
1982	12.05
1983	12.82
1984	13.71
1985	14.18
1986	14.18
1987	14.58
1988	15.04
1989	12.12
1990	9.67
1991	9.51
1992	9.94
1993	10.16
1994	10.57
1995	11.41
1996	12.22
1997	12.95
1998	13.71
1999	15.91
2000	18.68
2001	20.34
2002	22.82
2003	27.5
2004	32.23
2005	38.15
2006	43.23
2007	47.85
2008	52.84
2009	61.04
2010	67.17
2011	71.5
2012	77.76
2013	84.89
2014	93.58
2015	101.25
2016	105.18
2017	108
2018	30.06
2019	32.46
2020	35.36
2021	35.48
2022	35.52