| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2021 | 78.51 | 89.13 | 64.71 |
| 2020 | 68.96 | 100.76 | 48.39 |
| 2019 | 81.16 | 118.2 | 59.35 |
| 2018 | 82.09 | 117.88 | 56.14 |
| 2017 | 79.8 | 102.8 | 57.75 |
| 2016 | 53.27 | 81.66 | 37.11 |
| 2015 | 248.7 | 595.45 | 43.15 |
| 2014 | 339.24 | 463.81 | 212.01 |
| 2013 | 62.66 | 84.02 | 44.43 |
| 2012 | 40.59 | 53.7 | 32.57 |
| 2011 | 60.02 | 81.37 | 40.78 |