| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.87 | 3.03 | 2.76 |
| 2024 | 3.25 | 4.2 | 2.46 |
| 2023 | 2.97 | 3.87 | 2.37 |
| 2022 | 3.02 | 4.03 | 2.35 |
| 2021 | 2.66 | 3.47 | 2.03 |
| 2020 | 2.96 | 3.46 | 2.37 |
| 2019 | 3.47 | 4.46 | 2.48 |
| 2018 | 5.67 | 7.56 | 3.92 |
| 2017 | 5.75 | 6.38 | 5.19 |
| 2016 | 5.26 | 6.39 | 4.27 |
| 2015 | 5.71 | 8.15 | 3.36 |
| 2014 | 49.25 | 178.68 | 3.33 |
| 2013 | 10.62 | 124 | 3.95 |
| 2012 | 4.03 | 5.07 | 3.07 |
| 2011 | 5.89 | 7.49 | 3.34 |
| 2010 | 5.44 | 6.88 | 4.16 |
| 2009 | 3.95 | 5.31 | 2.34 |
| 2008 | 3.4 | 6.4 | 1.77 |
| 2007 | 4.32 | 6.38 | 2.72 |
| 2006 | 2.77 | 3.25 | 2.14 |
| 2005 | 2.86 | 3.59 | 2.29 |
| 2004 | 4.34 | 8.12 | 2.54 |