Year | Value | 2022 | 133.32730069677 | 2021 | 126.06098995566 | 2020 | 121.81703013302 | 2019 | 120.2696588544 | 2018 | 117.71785358791 | 2017 | 114.55071939191 | 2016 | 112.44231291286 | 2015 | 108.58745814858 | 2014 | 106.27997466293 | 2013 | 104.15347027418 | 2012 | 101.99077006606 | 2011 | 101.28495158809 | 2010 | 100 | 2009 | 97.638222785268 | 2008 | 95.538865261062 | 2007 | 92.082164509999 | 2006 | 91.430639761108 | 2005 | 89.349380146593 | 2004 | 88.001085874582 | 2003 | 87.60293186137 | 2002 | 85.476427472627 | 2001 | 84.390552891141 | 2000 | 81.929237173107 | 1999 | 79.476970409918 | 1998 | 77.640032576237 | 1997 | 75.929780110397 | 1996 | 74.029499592797 | 1995 | 73.106506198534 | 1994 | 71.351008958465 | 1993 | 70.382770789974 | 1992 | 68.808252646819 | 1991 | 67.242783458511 | 1990 | 65.007691611619 | 1989 | 62.42873948059 | 1988 | 59.714053026875 | 1987 | 55.976834675595 | 1986 | 51.48855307212 | 1985 | 48.040901275903 | 1984 | 45.443851235182 | 1983 | 42.783458510542 | 1982 | 39.444394172473 | 1981 | 35.426658220975 | 1980 | 31.173649443489 | 1979 | 28.115102705638 | 1978 | 26.901900280518 | 1977 | 24.871934666546 | 1976 | 22.796571351009 | 1975 | 20.883349018188 | 1974 | 18.697729617229 | 1973 | 17.089322233282 | 1972 | 15.908961179984 | 1971 | 14.832363587006 | 1970 | 13.963306488101 | 1969 | 12.620805356981 | 1968 | 12.257618315085 | 1967 | 11.849029047145 | 1966 | 11.330189123156 | 1965 | 10.97348891503 | 1964 | 10.532470726631 | 1963 | 9.9487745905348 | 1962 | 9.7088106053751 | 1961 | 9.2223974300968 | 1960 | 9.0278320513981 |
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