| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 4.3 | 5.13 | 2.56 |
| 2024 | 4.53 | 9.47 | 1.78 |
| 2023 | 6.77 | 12.57 | 3.85 |
| 2022 | 9.7 | 22.05 | 5.56 |
| 2021 | 65.57 | 385.58 | 14.98 |
| 2020 | 44.08 | 62.15 | 22.97 |
| 2019 | 30.32 | 39.95 | 24.92 |
| 2018 | 176.51 | 524.21 | 23.52 |
| 2017 | 230.56 | 661.83 | 94.09 |
| 2016 | 63.07 | 136.05 | 35.75 |
| 2015 | 45.83 | 69.72 | 24.07 |
| 2014 | 0 | -14.41 | |
| 2013 | 184.03 | 349.42 | 97.05 |
| 2012 | 53.13 | 109.51 | 19.86 |
| 2011 | 38.28 | 101.83 | 10.88 |
| 2010 | 8.73 | 13.7 | 5.84 |
| 2009 | 5.27 | 7.51 | 2.37 |
| 2008 | 3.95 | 7.43 | 1.95 |
| 2007 | 4.75 | 7.13 | 2.4 |
| 2006 | 2.23 | 2.99 | 1.82 |
| 2005 | 2.35 | 3.49 | 1.58 |
| 2004 | 4.14 | 5.39 | 2.78 |
| 2003 | 8.33 | 12.34 | 2.6 |
| 2002 | 10.43 | 13.26 | 7.57 |
| 2001 | 7.89 | 9.42 | 6.92 |
| 2000 | 5.71 | 8.82 | 3.02 |