| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 4.62 | 6.19 | 4 |
| 2024 | 4.44 | 6.77 | 3.3 |
| 2023 | 6.14 | 7.34 | 5.25 |
| 2022 | 7.12 | 9.04 | 5.7 |
| 2021 | 6.54 | 9.05 | 4.44 |
| 2020 | 4.58 | 6.47 | 1.26 |
| 2019 | 5.26 | 23.35 | 1.05 |
| 2018 | 53.4 | 114.5 | 13.82 |
| 2017 | 58.13 | 132.18 | 6.3 |
| 2016 | 5.28 | 12.43 | 1.91 |
| 2015 | 2.53 | 4.5 | 1.48 |
| 2014 | 1.38 | 1.93 | 1.07 |
| 2013 | 1.33 | 1.65 | 1.06 |
| 2012 | 1.66 | 2.15 | 1.29 |
| 2011 | 2.53 | 3.26 | 1.69 |
| 2010 | 2.78 | 3.55 | 2.25 |
| 2009 | 2.06 | 2.76 | 1.56 |
| 2008 | 3 | 5.62 | 1.01 |
| 2007 | 4.17 | 5.65 | 2.54 |
| 2006 | 2.07 | 2.65 | 1.48 |
| 2005 | 1.99 | 2.42 | 1.38 |
| 2004 | 2.13 | 2.43 | 1.37 |