| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2022 | 3.95 | 5.2030 | 3.2520 |
| 2021 | 5.34 | 6.1750 | 4.8800 |
| 2020 | 3.95 | 5.2480 | 2.9020 |
| 2019 | 2.44 | 3.0450 | 1.8440 |
| 2018 | 2.15 | 2.5000 | 1.7740 |
| 2017 | 2.17 | 2.4860 | 1.8540 |
| 2016 | 2.07 | 2.4250 | 1.6810 |
| 2015 | 2.14 | 2.7410 | 1.6780 |
| 2014 | 1.38 | 1.8480 | 1.2370 |
| 2013 | 1.25 | 1.4350 | 0.9680 |
| 2012 | 0.96 | 1.0140 | 0.8530 |