| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 9.75 | 13.48 | 7.56 |
| 2024 | 8.98 | 11.12 | 6.01 |
| 2023 | 12.75 | 15.42 | 10.39 |
| 2022 | 16.89 | 24.81 | 13.13 |
| 2021 | 16.67 | 24.47 | 13.03 |
| 2020 | 34.5 | 81.77 | 12.75 |
| 2019 | 62.45 | 106.73 | 36.35 |
| 2018 | 67.88 | 128.66 | 38.35 |
| 2017 | 135.22 | 194.08 | 95.64 |
| 2016 | 184.31 | 341.66 | 116.95 |
| 2015 | 144.87 | 470.6 | 39.26 |
| 2014 | 50.78 | 64 | 36.64 |
| 2013 | 29.67 | 76.76 | 16.58 |
| 2012 | 19.93 | 25.68 | 14.3 |