| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.87 | 4.76 | 0.84 |
| 2024 | 8.31 | 16.44 | 3.95 |
| 2023 | 21.11 | 33.77 | 14.66 |
| 2022 | 13.25 | 26.96 | 9.35 |
| 2021 | 2.5 | 11.27 | 0.97 |
| 2020 | 1.44 | 2.03 | 1.08 |
| 2019 | 1.19 | 1.85 | 0.82 |
| 2018 | 2.2 | 3.43 | 0.94 |
| 2017 | 2.97 | 3.83 | 2.28 |
| 2016 | 5.26 | 9.24 | 1.91 |
| 2015 | 3.17 | 5.57 | 1.89 |
| 2014 | 1.77 | 2.79 | 1.27 |
| 2013 | 1.15 | 2.49 | 0.64 |
| 2012 | 1.41 | 2.36 | 0.61 |
| 2011 | 2.69 | 3.77 | 1.74 |
| 2010 | 5.5 | 13.45 | 2.24 |
| 2009 | 13.39 | 15.77 | 10.11 |
| 2008 | 0 | ||
| 2007 | 13.94 | 13.94 | 13.94 |
| 2006 | 4.39 | 8.15 | 1.18 |
| 2005 | 1.42 | 1.88 | 0.99 |
| 2004 | 1.64 | 2.91 | 1.08 |