| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 0 | ||
| 2024 | 8.66 | 9.68 | 4.95 |
| 2023 | 8.41 | 15.57 | 3.59 |
| 2022 | 2.79 | 4.29 | 1.67 |
| 2021 | 2.25 | 2.98 | 1.89 |
| 2020 | 2.12 | 2.8 | 1.13 |
| 2019 | 1.2 | 2.1 | 0.8 |
| 2018 | 1.4 | 2.35 | 0.89 |
| 2017 | 2.65 | 3.74 | 2.32 |
| 2016 | 65.04 | 798.59 | 3.28 |
| 2015 | 301.25 | 600.08 | 95.26 |
| 2014 | 243.05 | 597.61 | 62.93 |
| 2013 | 208.61 | 526.19 | 49.49 |
| 2012 | 139.17 | 422.43 | 13.56 |
| 2011 | 16.58 | 25.88 | 10.22 |
| 2010 | 11.69 | 20.15 | 6.35 |
| 2009 | 5.46 | 8.36 | 2.73 |
| 2008 | 4.91 | 14.49 | 1.95 |
| 2007 | 8.08 | 13.6 | 1.35 |
| 2006 | 1.15 | 1.46 | 0.86 |
| 2005 | 1.22 | 1.81 | 0.86 |
| 2004 | 2.31 | 3.2 | 1.62 |
| 2003 | 3.2 | 3.94 | 2.37 |
| 2002 | 4.75 | 5.39 | 3.6 |
| 2001 | 6.18 | 7.39 | 4.24 |