| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 26.98 | 30.65 | 22.45 |
| 2025 | 35.75 | 52.51 | 25.4 |
| 2024 | 99.87 | 263.11 | 32.28 |
| 2023 | 21.72 | 36.6 | 12.77 |
| 2022 | 36.01 | 97.18 | 6.3 |
| 2021 | 5.97 | 10.68 | 1.85 |
| 2020 | 3.16 | 4.81 | 2.03 |
| 2019 | 4.82 | 7.13 | 3.18 |
| 2018 | 3.64 | 5.38 | 2.43 |
| 2017 | 5.21 | 6.61 | 3.69 |
| 2016 | 6.66 | 11.43 | 4.9 |
| 2015 | 9.84 | 17.1 | 6.02 |
| 2014 | 5.79 | 7.6 | 3.8 |
| 2013 | 4.97 | 8.4 | 2.61 |
| 2012 | 2.83 | 3.62 | 2.29 |
| 2011 | 3.27 | 4.12 | 2.46 |
| 2010 | 3.51 | 4.64 | 2.62 |
| 2009 | 3.84 | 5.01 | 2.88 |
| 2008 | 4.15 | 7.74 | 1.7 |
| 2007 | 7.42 | 10.72 | 5.01 |