| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 0 | -15.38 | |
| 2024 | 60.63 | 142.27 | 3.36 |
| 2023 | 4 | 5.56 | 1.63 |
| 2022 | 1.75 | 2.52 | 0.99 |
| 2021 | 1.02 | 1.7 | 0.79 |
| 2020 | 1.54 | 2.02 | 1.13 |
| 2019 | 2.05 | 2.64 | 1.68 |
| 2018 | 2.52 | 3.53 | 1.94 |
| 2017 | 3.97 | 4.74 | 3.16 |
| 2016 | 5.45 | 6.78 | 4.51 |
| 2015 | 5.99 | 12.25 | 3.41 |
| 2014 | 5.5 | 11.18 | 3.26 |
| 2013 | 3.17 | 10.61 | 1.91 |
| 2012 | 2.01 | 2.53 | 1.67 |
| 2011 | 2.75 | 3.69 | 1.79 |
| 2010 | 3.21 | 4.16 | 2.56 |
| 2009 | 2.12 | 3.29 | 1.23 |
| 2008 | 1.95 | 3.48 | 0.91 |
| 2007 | 2.74 | 3.78 | 1.52 |
| 2006 | 1.65 | 2.01 | 1.31 |
| 2005 | 3.56 | 6.01 | 1.65 |