| Year | Value | | 2022 | -6.6873209421265 | | 2021 | 10.516715829436 | | 2020 | 29.675843553856 | | 2019 | 87.241364150004 | | 2018 | 83.5015294922 | | 2017 | 187.85163027944 | | 2016 | 379.99958562402 | | 2015 | 52.766330419214 | | 2014 | 1.6742990629551 | | 2013 | 0.058090978422192 | | 2012 | 45.52589783717 | | 2011 | 46.85217571936 | | 2010 | 1.1696218030111 | | 2009 | 5.0062736153405 |
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