| Year | Value | | 2022 | 117.54108797773 | | 2021 | 112.12768811054 | | 2020 | 112.14323110003 | | 2019 | 114.52466053234 | | 2018 | 116.77977270757 | | 2017 | 113.30292098627 | | 2016 | 111.1174348557 | | 2015 | 109.34873213785 | | 2014 | 105.07232418044 | | 2013 | 102.66356122163 | | 2012 | 101.5454258896 | | 2011 | 100.87734659568 | | 2010 | 100 | | 2009 | 99.129658167554 | | 2008 | 97.605246567666 | | 2007 | 86.953123520422 |
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