Year | Value | 2022 | 154.76827604111 | 2021 | 151.50821708529 | 2020 | 151.38946528366 | 2019 | 149.89971344144 | 2018 | 144.76873232619 | 2017 | 151.44941902743 | 2016 | 143.59487112901 | 2015 | 143.93916565825 | 2014 | 149.99308470941 | 2013 | 156.86616033966 | 2012 | 166.6167085009 | 2011 | 154.35091592442 | 2010 | 165.84991701377 | 2009 | 169.36807895217 | 2008 | 155.28962478588 | 2007 | 158.55142879486 | 1981 | 197.71653543307 | 1980 | 189.08063076465 | 1979 | 201.51453131396 | 1978 | 173.33908541846 | 1977 | 200.53539559786 | 1976 | 220.71651090343 | 1975 | 189.51175406872 | 1974 | 163.41463414634 | 1973 | 153.50772889417 | 1972 | 153.05466237942 | 1971 | 142.04753199269 | 1970 | 136.65987780041 | 1969 | 137.98811544991 | 1968 | 143.06220095694 | 1967 | 144.64918497519 | 1966 | 145.67901234568 | 1965 | 137.75510204082 | 1964 | 134.23180592992 | 1963 | 136.0119047619 | 1962 | 133.44481605351 | 1961 | 132.94117647059 | 1960 | 126.72064777328 |
|