| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 14.3 | 16.87 | 12.05 |
| 2024 | 14.24 | 22.13 | 9.98 |
| 2023 | 35.15 | 58.25 | 19.26 |
| 2022 | 42.17 | 65.13 | 6.73 |
| 2021 | 4.39 | 8.87 | 1.69 |
| 2020 | 6.13 | 18.49 | 1.8 |
| 2019 | 13.18 | 21.02 | 3.84 |
| 2018 | 4.8 | 7.11 | 2.91 |
| 2017 | 10.11 | 16.2 | 6.17 |
| 2016 | 35.86 | 83.56 | 15.72 |
| 2015 | 68.94 | 158.89 | 19.1 |
| 2014 | 10.18 | 22.96 | 5.4 |
| 2013 | 7.25 | 12.84 | 2.69 |
| 2012 | 5.55 | 18.12 | 2.43 |
| 2011 | 31.67 | 83.67 | 13.16 |
| 2010 | 92.68 | 196.15 | 55.55 |
| 2009 | 26.28 | 116.31 | 4.18 |
| 2008 | 33.96 | 124.12 | 2.94 |
| 2007 | 5.89 | 12.3 | 2.13 |
| 2006 | 2.92 | 7.78 | 1.85 |
| 2005 | 9.78 | 23.33 | 0.98 |
| 2004 | 1.41 | 1.69 | 1.29 |