| Year | Value | | 2024 | 88.8826 | | 2023 | 89.8052 | | 2022 | 88.2219 | | 2021 | 82.2197 | | 2020 | 77.6088 | | 2019 | 73.4767 | | 2018 | 71.5171 | | 2017 | 71.2723 | | 2016 | 69.8816 | | 2015 | 68.1198 | | 2014 | 63.8869 | | 2013 | 60.31 | | 2012 | 56.8388 | | 2011 | 35.6115 | | 2010 | 37.5 | | 2009 | 35.1 | | 2008 | 32.9 | | 2007 | 30.8 | | 2006 | 28.9 | | 2005 | 27.1 | | 2004 | 25.3501 |
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