Year	2014-2016 = 100
1961	25.94
1962	26.99
1963	28.49
1964	29.79
1965	31.47
1966	34.06
1967	35.69
1968	35.97
1969	34.08
1970	35.46
1971	34.61
1972	37.9
1973	39.67
1974	40.31
1975	39.9
1976	52.09
1977	49.39
1978	46.04
1979	43.83
1980	43.61
1981	50.77
1982	48.27
1983	46.41
1984	48.79
1985	48.52
1986	46.92
1987	49.54
1988	50.43
1989	53.5
1990	53.34
1991	47.94
1992	48.01
1993	48.21
1994	47.14
1995	60.39
1996	68.35
1997	64.67
1998	79.58
1999	81.6
2000	63.68
2001	66.88
2002	65.67
2003	71.61
2004	75.28
2005	75.13
2006	77.88
2007	81.45
2008	81.51
2009	78.63
2010	92.69
2011	95.65
2012	93.88
2013	95.05
2014	98.78
2015	100.28
2016	100.94
2017	100.71
2018	99.58
2019	100.91
2020	99.35
2021	98.72
2022	99.17