| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 77.63 | 110.78 | 61.95 |
| 2024 | 41.03 | 80.11 | 23.09 |
| 2023 | 42.77 | 75.31 | 24.58 |
| 2022 | 52.36 | 86.33 | 10.15 |
| 2021 | 10.26 | 13.45 | 8.36 |
| 2020 | 7.8 | 11.69 | 6.01 |
| 2019 | 6.42 | 8.32 | 4.5 |
| 2018 | 3.65 | 6 | 1.87 |
| 2017 | 4.39 | 5.93 | 2.87 |
| 2016 | 4.76 | 6.35 | 3.56 |
| 2015 | 4.78 | 6.85 | 2.64 |
| 2014 | 6.02 | 8.68 | 3.42 |
| 2013 | 6.76 | 8.16 | 5.15 |
| 2012 | 5.07 | 6.26 | 4.3 |
| 2011 | 6.58 | 8.88 | 4.58 |
| 2010 | 6.7 | 11.34 | 4.09 |
| 2009 | 4.37 | 5.55 | 3.63 |
| 2008 | 4.4 | 6.81 | 2.85 |