| Year | Value | | 2022 | 152.24330057261 | | 2021 | 140.13441073488 | | 2020 | 130.74089169659 | | 2019 | 129.17600732675 | | 2018 | 127.33795197859 | | 2017 | 124.20762929798 | | 2016 | 123.0149339844 | | 2015 | 124.76616125486 | | 2014 | 120.27776643802 | | 2013 | 116.79572532998 | | 2012 | 110.40371689876 | | 2011 | 107.65000807859 | | 2010 | 100 | | 2009 | 92.44163763684 | | 2008 | 89.396120267101 | | 2007 | 82.0524630947 | | 2006 | 78.588772276393 | | 2005 | 76.379601803786 | | 2004 | 75.894689380989 | | 2003 | 70.95530514214 | | 2002 | 67.756161803785 | | 2001 | 67.045447016419 | | 2000 | 65.000590421858 | | 1999 | 65.518767721372 | | 1998 | 65.096780600924 | | 1997 | 59.901804774146 | | 1996 | 52.563533805485 | | 1995 | 44.289693873561 | | 1994 | 16.049821028314 | | 1993 | 0.46203029570684 |
|