| Year | Value | | 2022 | 86.28201299757 | | 2021 | 72.758684667244 | | 2020 | 111.41788161319 | | 2019 | 128.26230837766 | | 2018 | 158.57334116907 | | 2017 | 153.36786491674 | | 2016 | 153.60113861539 | | 2015 | 153.8097389483 | | 2014 | 173.59217931281 | | 2013 | 168.46493806742 | | 2012 | 214.25484358777 | | 2011 | 227.95476524232 | | 2010 | 217.27126587734 | | 2009 | 239.35380716204 | | 2008 | 216.55791709045 | | 2007 | 208.76698660305 | | 2006 | 180.41708058575 | | 2005 | 160.3983187242 | | 2004 | 192.38195711161 | | 2003 | 208.57982163331 | | 2002 | 264.79485276027 | | 2001 | 248.75544436148 | | 2000 | 254.41234063811 |
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