| Year | Value | | 2022 | 542.43880792227 | | 2021 | 314.80614723468 | | 2020 | 263.2235612855 | | 2019 | 234.43712630792 | | 2018 | 203.54540358744 | | 2017 | 174.96870328849 | | 2016 | 157.42479446936 | | 2015 | 146.06782511211 | | 2014 | 135.66143497758 | | 2013 | 124.62630792227 | | 2012 | 115.93890134529 | | 2011 | 106.47187967115 | | 2010 | 100 | | 2009 | 92.109491778774 | | 2008 | 86.690489536622 | | 2007 | 78.492619581465 | | 2006 | 72.173019431988 | | 2005 | 65.852952167414 | | 2004 | 60.873972346786 | | 2003 | 56.05427877429 | | 2002 | 46.09634435725 | | 2001 | 31.798450579223 | | 2000 | 20.594826233184 | | 1999 | 13.294243273543 | | 1998 | 8.0635930493274 | | 1997 | 4.3671654988789 | | 1996 | 2.3521196281764 | | 1995 | 1.3037478979821 | | 1994 | 0.68940036434978 | | 1993 | 0.33594055493274 | | 1992 | 0.20225948710762 | | 1991 | 0.11892293068012 | | 1990 | 0.071649570254111 | | 1989 | 0.044696095384903 | | 1988 | 0.027375143404335 | | 1987 | 0.016216575579223 | | 1986 | 0.011678713097907 | | 1985 | 0.0086759575859492 | | 1984 | 0.0059849986453662 | | 1983 | 0.0040332265975336 | | 1982 | 0.0030696539144245 | | 1981 | 0.0023770427410314 | | 1980 | 0.0017273164237668 | | 1979 | 0.00088917367339313 | | 1978 | 0.0005436937593423 | | 1977 | 0.00033582685911809 | | 1976 | 0.00026656027186099 | | 1975 | 0.00022694538957399 | | 1974 | 0.00018720641816144 | | 1973 | 0.00015109701046338 | | 1972 | 0.00013261316797459 | | 1971 | 0.00011489970571749 | | 1970 | 9.6545118647235E-5 | | 1969 | 8.9456619020927E-5 | | 1968 | 8.5258333333333E-5 | | 1967 | 8.0397318759342E-5 | | 1966 | 7.0539499252616E-5 | | 1965 | 6.5030147608371E-5 | | 1964 | 6.2196753550075E-5 | | 1963 | 6.1508085762332E-5 | | 1962 | 5.7828620142003E-5 | | 1961 | 5.5664217115097E-5 | | 1960 | 5.3952385089686E-5 |
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