Year	2014-2016 = 100
1961	6.99
1962	6.64
1963	7.47
1964	6.15
1965	5.75
1966	48.59
1967	46.91
1968	47.06
1969	44.92
1970	41.88
1971	45.02
1972	46.54
1973	45.98
1974	47.43
1975	47.3
1976	48.6
1977	47.92
1978	35.59
1979	45.96
1980	45.96
1981	47.37
1982	47.72
1983	44.11
1984	46.43
1985	46.98
1986	47.51
1987	48.54
1988	48.76
1989	48.79
1990	49.03
1991	49.75
1992	50.08
1993	50.82
1994	51.29
1995	51.42
1996	50.99
1997	51.32
1998	50.94
1999	50.92
2000	51.26
2001	51.36
2002	51.4
2003	51.38
2004	51.22
2005	50.65
2006	49.99
2007	50.79
2008	50.74
2009	50.75
2010	50.7
2011	52.11
2012	52.29
2013	54.34
2014	97.6
2015	99.55
2016	102.86
2017	100.76
2018	103.09
2019	102.6
2020	100.94
2021	102.82
2022	106.62