| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 41.26 | 50.16 | 32.81 |
| 2024 | 17.71 | 58.96 | 5.54 |
| 2023 | 8.48 | 11.56 | 3.86 |
| 2022 | 3.64 | 5.12 | 2.28 |
| 2021 | 2.96 | 3.96 | 2.14 |
| 2020 | 3.23 | 4.45 | 2.47 |
| 2019 | 7.23 | 17.42 | 3.17 |
| 2018 | 172.5 | 656.4 | 10.49 |
| 2017 | 55.01 | 79.53 | 38.68 |
| 2016 | 855.79 | 4112.15 | 75.01 |
| 2015 | 1116.22 | 5394.1 | 33.69 |
| 2014 | 29.65 | 46.76 | 20.35 |
| 2013 | 29.21 | 36.98 | 23.16 |
| 2012 | 24.89 | 44.87 | 9.53 |
| 2011 | 34.22 | 74.18 | 10.76 |
| 2010 | 48.53 | 75.38 | 27.96 |
| 2009 | 22.21 | 60.19 | 3.88 |
| 2008 | 36.91 | 79.89 | 2.2 |
| 2007 | 57.43 | 132.6 | 9.88 |
| 2006 | 7.6 | 10.79 | 5.7 |
| 2005 | 6.09 | 7.36 | 4.61 |
| 2004 | 8.57 | 11.46 | 5.88 |