| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 12.64 | 14.86 | 9.95 |
| 2024 | 227.32 | 817.13 | 12.98 |
| 2023 | 127.63 | 865.84 | 6.19 |
| 2022 | 6.37 | 9.26 | 4.42 |
| 2021 | 8.42 | 16.16 | 4.8 |
| 2020 | 3.59 | 7.25 | 2.03 |
| 2019 | 4.5 | 7.06 | 2.56 |
| 2018 | 2.67 | 3.96 | 1.68 |
| 2017 | 5.75 | 9.57 | 3.3 |
| 2016 | 11.65 | 15.28 | 8.82 |
| 2015 | 12.19 | 20.87 | 9.27 |
| 2014 | 4.56 | 9.35 | 2.06 |
| 2013 | 2.61 | 3.28 | 2.16 |
| 2012 | 3.17 | 4.16 | 2.2 |
| 2011 | 2.59 | 3.18 | 2.03 |
| 2010 | 3.08 | 5.92 | 2.14 |
| 2009 | 1.94 | 3.96 | 0.67 |
| 2008 | 2.05 | 4.49 | 0.54 |
| 2007 | 2.05 | 3.4 | 0.58 |
| 2006 | 0.49 | 0.65 | 0.33 |
| 2005 | 0.41 | 0.47 | 0.36 |
| 2004 | 0.78 | 1.3 | 0.42 |