| Year | Value | | 2022 | 76.907986862861 | | 2021 | 78.8948539393 | | 2020 | 85.486285137818 | | 2019 | 99.195127994546 | | 2018 | 96.31782573485 | | 2017 | 101.70503654793 | | 2016 | 105.6895044378 | | 2015 | 108.23204148739 | | 2014 | 100.82847958432 | | 2013 | 98.424314912344 | | 2012 | 96.36616610667 | | 2011 | 99.653541122933 | | 2010 | 93.848933710704 |
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