| Year | Value | | 2022 | 211.01820367473 | | 2021 | 185.22894555543 | | 2020 | 165.52332750682 | | 2019 | 155.67615241354 | | 2018 | 153.93115409737 | | 2017 | 151.59259359137 | | 2016 | 146.92719972587 | | 2015 | 146.35810336936 | | 2014 | 137.42116732317 | | 2013 | 127.79293181144 | | 2012 | 119.86533574315 | | 2011 | 116.63632627315 | | 2010 | 100 | | 2009 | 92.620273828765 | | 2008 | 86.693423747316 | | 2007 | 69.62203054775 | | 2006 | 63.160632608419 | | 2005 | 59.838334478578 | | 2004 | 57.350100620745 | | 2003 | 55.085719044151 | | 2002 | 53.494465737795 | | 2001 | 52.376638356039 | | 2000 | 48.986901576822 | | 1999 | 41.269248983497 | | 1998 | 30.116740970288 | | 1997 | 27.26548490066 | | 1996 | 22.088864903405 | | 1995 | 16.740667363799 |
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