| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 13.01 | 14.67 | 11.88 |
| 2024 | 16.67 | 32.74 | 10.72 |
| 2023 | 107.95 | 348.32 | 9.23 |
| 2022 | 248.56 | 415.51 | 115.88 |
| 2021 | 152.41 | 238.2 | 97.96 |
| 2020 | 170.15 | 246.27 | 126.96 |
| 2019 | 176.27 | 247.21 | 131.16 |
| 2018 | 180.51 | 273.44 | 119.29 |
| 2017 | 360.81 | 561.08 | 262.85 |
| 2016 | 504.63 | 658.53 | 401.94 |
| 2015 | 587.58 | 1161.95 | 351.77 |
| 2014 | 449.19 | 615.44 | 356.06 |
| 2013 | 0 | -1.33 | |
| 2012 | 0 | -0.87 | |
| 2011 | 0 | -0.86 | |
| 2010 | 0 | -0.91 | |
| 2009 | 0 | -0.91 | |
| 2008 | 0 | -0.9 | |
| 2007 | 0 | -0.75 | |
| 2006 | 0 | -0.55 | |
| 2005 | 0 | -0.23 | |
| 2004 | 0 | -0.47 | |
| 2003 | 0 | -0.48 | |
| 2002 | 12.34 | 17.83 | 8.42 |
| 2001 | 55.74 | 70.72 | 41.63 |
| 2000 | 15.75 | 24.2 | 6.78 |
| 1999 | 5.7 | 8.24 | 3.58 |
| 1998 | 1.84 | 2.22 | 1.42 |
| 1997 | 1.97 | 2.82 | 1.37 |