| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 23.05 | 42.79 | 6.04 |
| 2024 | 48.8 | 95.92 | 5.06 |
| 2023 | 16.22 | 29.85 | 10.26 |
| 2022 | 19.95 | 28.17 | 11.58 |
| 2021 | 11.4 | 16.39 | 7.98 |
| 2020 | 8.02 | 16.31 | 1.05 |
| 2019 | 7.43 | 22.03 | 1.18 |
| 2018 | 30.55 | 46.57 | 15.6 |
| 2017 | 133.86 | 190.37 | 43.23 |
| 2016 | 102.49 | 193.83 | 33.27 |
| 2015 | 24.16 | 51.26 | 3.57 |
| 2014 | 4.77 | 6.37 | 3.63 |
| 2013 | 3.5 | 4.29 | 2.76 |
| 2012 | 13.94 | 62.71 | 3.01 |
| 2011 | 19.42 | 52.87 | 11.15 |
| 2010 | 13.95 | 19.36 | 10.93 |
| 2009 | 13.79 | 22.87 | 7.39 |
| 2008 | 10.44 | 22.62 | 5.53 |
| 2007 | 17.95 | 26.05 | 5.45 |
| 2006 | 4.3 | 6.12 | 2.64 |
| 2005 | 2.74 | 4.32 | 1.35 |
| 2004 | 2.21 | 3.5 | 1.55 |