| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 37.66 | 46.46 | 26.4 |
| 2024 | 29.27 | 42.9 | 15.8 |
| 2023 | 19.98 | 45.39 | 6.97 |
| 2022 | 7.31 | 8.67 | 6.58 |
| 2021 | 6.31 | 7.7 | 4.81 |
| 2020 | 8 | 11.23 | 6.26 |
| 2019 | 8.9 | 12.1 | 6.48 |
| 2018 | 14.58 | 25.39 | 8.82 |
| 2017 | 52.91 | 120.77 | 20.51 |
| 2016 | 284.28 | 554.53 | 54.15 |
| 2015 | 92.2 | 438.57 | 13.62 |
| 2014 | 12.97 | 16.21 | 11.04 |
| 2013 | 45.42 | 80.04 | 14.88 |
| 2012 | 26.81 | 74.58 | 8.96 |
| 2011 | 11.4 | 16.67 | 7.17 |
| 2010 | 13.08 | 18.59 | 9.03 |
| 2009 | 17.13 | 26.81 | 11.91 |
| 2008 | 23.59 | 43.17 | 8.78 |
| 2007 | 37.37 | 60.85 | 24.57 |
| 2006 | 22.3 | 39.5 | 13.34 |
| 2005 | 12.43 | 16.31 | 9.06 |
| 2004 | 22.09 | 33.16 | 14.98 |