Year | Value | 2022 | 122.95718343541 | 2021 | 113.46127884904 | 2020 | 111.05885659027 | 2019 | 110.50921984643 | 2018 | 108.57212914673 | 2017 | 106.49177473434 | 2016 | 104.61446908397 | 2015 | 103.59481715969 | 2014 | 103.64330641629 | 2013 | 103.82982474991 | 2012 | 103.87583444225 | 2011 | 102.96115073822 | 2010 | 100 | 2009 | 98.855267834266 | 2008 | 99.346497064471 | 2007 | 96.045370515777 | 2006 | 93.966669146231 | 2005 | 92.705672967515 | 2004 | 92.287453129348 | 2003 | 91.943895726058 | 2002 | 90.206823209823 | 2001 | 88.300864816912 | 2000 | 86.226296054462 | 1999 | 85.457906641651 | 1998 | 85.064757953202 | 1997 | 85.29260235779 | 1996 | 84.734700399761 | 1995 | 84.2853482548 | 1994 | 82.265605413164 | 1993 | 80.527706375511 | 1992 | 76.892114159138 | 1991 | 75.108756443423 | 1990 | 68.627175473252 | 1989 | 62.181134924112 | 1988 | 58.417156380608 | 1987 | 55.201712552381 | 1986 | 52.982502541553 | 1985 | 50.82941424427 | 1984 | 47.339289797695 | 1983 | 43.814726958649 | 1982 | 40.243878920122 | 1981 | 37.060669427248 | 1980 | 33.059203729265 | 1979 | 29.074200133897 | 1978 | 27.118979686859 | 1977 | 24.654679075508 | 1976 | 22.123366587045 | 1975 | 20.066686778688 | 1974 | 18.279021508842 | 1973 | 16.630638322492 | 1972 | 15.583724140211 | 1971 | 14.700601707593 | 1970 | 13.68827937526 | 1969 | 12.790828918331 | 1968 | 12.455526810977 | 1967 | 12.218113492411 | 1966 | 11.715594255125 | 1965 | 11.010399292498 | 1964 | 10.484819281092 | 1963 | 10.141267387944 | 1962 | 9.8581664448834 | 1961 | 9.40968242292 | 1960 | 9.2109133888205 |
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