| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 1.85 | 2.24 | 1.6 |
| 2024 | 1.7 | 2.55 | 1.14 |
| 2023 | 1.65 | 2.25 | 1.35 |
| 2022 | 1.32 | 1.83 | 0.84 |
| 2021 | 24.58 | 99.05 | 1.14 |
| 2020 | 29.13 | 87.36 | 18.03 |
| 2019 | 36.62 | 79.75 | 17.19 |
| 2018 | 63.28 | 89.66 | 39.52 |
| 2017 | 435.71 | 618.35 | 287.67 |
| 2016 | 264.86 | 685.95 | 111.66 |
| 2015 | 75.59 | 111.66 | 47.95 |
| 2014 | 37.77 | 70.92 | 18.18 |
| 2013 | 56.1 | 154.04 | 18.08 |
| 2012 | 0 | ||
| 2011 | 0 | ||
| 2010 | 57.2 | 61.7 | 49.61 |
| 2009 | 26.79 | 67.45 | 0.21 |
| 2008 | 0.18 | 0.33 | 0.09 |
| 2007 | 0.28 | 0.37 | 0.19 |
| 2006 | 0.22 | 0.31 | 0.17 |
| 2005 | 0.23 | 0.32 | 0.17 |
| 2004 | 0.33 | 0.56 | 0.21 |