| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 13.96 | 15.41 | 12.39 |
| 2024 | 13.03 | 15.91 | 10.19 |
| 2023 | 13.78 | 15.92 | 11.77 |
| 2022 | 23.29 | 58.95 | 8.39 |
| 2021 | 89.65 | 179.94 | 48.79 |
| 2020 | 86.69 | 111.95 | 68.06 |
| 2019 | 229.76 | 501.69 | 92.52 |
| 2018 | 175.89 | 484.82 | 47.35 |
| 2017 | 197.39 | 320.79 | 63.44 |
| 2016 | 0 | -32.3 | |
| 2015 | 4963.64 | 13580.8 | 99.4 |
| 2014 | 61.09 | 136.52 | 19.13 |
| 2013 | 65.51 | 215.36 | 9.8 |
| 2012 | 7.48 | 11.92 | 2.85 |
| 2011 | 4.82 | 6.26 | 3.09 |
| 2010 | 4.97 | 6.62 | 3.69 |
| 2009 | 3.29 | 4.29 | 2.05 |
| 2008 | 3.38 | 7.02 | 1.51 |
| 2007 | 3.77 | 6.04 | 1.57 |
| 2006 | 1.59 | 2.29 | 1.25 |
| 2005 | 1.22 | 1.48 | 0.97 |
| 2004 | 2.01 | 2.92 | 1.38 |
| 2003 | 3.04 | 3.95 | 2.22 |
| 2002 | 4.59 | 5.2 | 3.66 |
| 2001 | 6.14 | 7.55 | 4.36 |