Year | Value | 2024 | 91.778276901336 | 2023 | 87.733742043114 | 2022 | 94.379679699073 | 2021 | 93.699784556882 | 2020 | 91.723891037435 | 2019 | 85.222041701819 | 2018 | 84.372026723255 | 2017 | 84.138435534495 | 2016 | 83.608008269686 | 2015 | 81.4667656744 | 2014 | 79.550695039199 | 2013 | 77.984257169593 |
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