| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 0 | ||
| 2024 | 0 | ||
| 2023 | 0 | ||
| 2022 | 6.71 | 9.98 | 0.45 |
| 2021 | 59.13 | 109.17 | 9.65 |
| 2020 | 82.64 | 115.78 | 70.33 |
| 2019 | 84.71 | 111.98 | 70.87 |
| 2018 | 52.97 | 90.14 | 4.96 |
| 2017 | 43.18 | 207.85 | 6.16 |
| 2016 | 193.43 | 294.15 | 57.46 |
| 2015 | 61.39 | 121.08 | 39.59 |
| 2014 | 48.84 | 84.82 | 32.64 |
| 2013 | 34.09 | 55.76 | 12.71 |
| 2012 | 4.31 | 14.64 | 1.45 |
| 2011 | 14.16 | 26.73 | 1.51 |
| 2010 | 4.99 | 8.05 | 3.09 |
| 2009 | 4.11 | 6.22 | 2.27 |
| 2008 | 3.91 | 9.5 | 1.86 |
| 2007 | 8.5 | 15.57 | 4.65 |
| 2006 | 4.53 | 5.97 | 2.81 |
| 2005 | 2.69 | 3.9 | 1.61 |
| 2004 | 4.53 | 8.69 | 2.52 |