Year | Value | 2022 | 199.74272173324 | 2021 | 181.00906404486 | 2020 | 170.98460846516 | 2019 | 162.49153689912 | 2018 | 156.384563304 | 2017 | 150.75152335816 | 2016 | 144.4278943805 | 2015 | 141.11035883548 | 2014 | 136.08666215301 | 2013 | 125.68720379147 | 2012 | 114.94922139472 | 2011 | 107.55585646581 | 2010 | 100 | 2009 | 88.801624915369 | 2008 | 81.029113067028 | 2007 | 66.404874746107 | 2006 | 60.785375761679 | 2005 | 55.991875423155 | 2004 | 48.666215301286 | 2003 | 42.857142857143 | 2002 | 38.930264048747 | 2001 | 36.357481381178 | 2000 | 34.041976980366 | 1999 | 31.470496420705 | 1998 | 29.701969993696 | 1997 | 27.341849909458 | 1996 | 24.933850207318 | 1995 | 19.72510853187 | 1994 | 16.450099532586 | 1993 | 12.17953955927 | 1992 | 9.9775084836903 | 1991 | 5.6275804951133 | 1990 | 3.7251205423522 | 1989 | 3.0543745438162 | 1988 | 2.6715532745552 | 1987 | 2.4675654215735 | 1986 | 2.3136509913259 | 1985 | 2.0100286219163 | 1984 | 1.5994103766811 | 1983 | 1.2513502040049 | 1982 | 1.1214613093833 | 1981 | 1.052566535508 | 1980 | 0.93362530358551 | 1979 | 0.73335857733346 | 1978 | 0.56814594346425 | 1977 | 0.42116143763411 | 1976 | 0.37877295053867 | 1975 | 0.34498619841783 | 1974 | 0.29391508228604 | 1973 | 0.2311412922327 | 1972 | 0.19641077608751 | 1971 | 0.18629901866912 | 1970 | 0.17686137841193 | 1969 | 0.15415711242513 | 1968 | 0.14501608371914 | 1967 | 0.13689971309819 | 1966 | 0.13288197481739 | 1965 | 0.13040122366414 | 1964 | 0.12705760254455 | 1963 | 0.12454988670486 | 1962 | 0.12239271178899 | 1961 | 0.12069393654274 | 1960 | 0.11311685965076 |
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