| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 5.23 | 7.96 | 2.13 |
| 2024 | 9.86 | 20.3 | 5.47 |
| 2023 | 2.95 | 3.44 | 1.72 |
| 2022 | 2.32 | 3.06 | 1.14 |
| 2021 | 1.43 | 1.88 | 1.06 |
| 2020 | 1.9 | 2.66 | 1.33 |
| 2019 | 1.57 | 2.35 | 1.22 |
| 2018 | 2.14 | 3.12 | 1.38 |
| 2017 | 5.73 | 9.03 | 2.89 |
| 2016 | 5.83 | 7.8 | 4.04 |
| 2015 | 4.12 | 8.1 | 2.2 |
| 2014 | 1.94 | 3.29 | 1.24 |
| 2013 | 1.41 | 1.65 | 1.18 |
| 2012 | 1.22 | 1.75 | 0.86 |
| 2011 | 1.39 | 1.97 | 0.94 |
| 2010 | 1.43 | 1.71 | 1.14 |
| 2009 | 1.39 | 2 | 0.82 |
| 2008 | 1.45 | 2.56 | 0.65 |
| 2007 | 1.91 | 3 | 1 |
| 2006 | 1.07 | 1.39 | 0.9 |
| 2005 | 1.02 | 1.38 | 0.76 |
| 2004 | 1.53 | 2.82 | 0.91 |