| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 0 | -357.09 | |
| 2025 | 78.97 | 209.69 | 26.41 |
| 2024 | 22.01 | 42.46 | 13.14 |
| 2023 | 61.54 | 68.53 | 49.42 |
| 2022 | 24.27 | 81.55 | 4.78 |
| 2021 | 5.65 | 8.05 | 3.64 |
| 2020 | 4.07 | 7.06 | 1.86 |
| 2019 | 3.96 | 7.93 | 2.28 |
| 2018 | 7.12 | 10.48 | 5.02 |
| 2017 | 9.33 | 12.16 | 7.47 |
| 2016 | 8.58 | 10.65 | 6.8 |
| 2015 | 10.88 | 14.57 | 6.79 |
| 2014 | 10.3 | 15.89 | 6.14 |
| 2013 | 10.9 | 14.69 | 8.01 |
| 2012 | 15.78 | 23.01 | 5.89 |
| 2011 | 8.58 | 12.08 | 5.63 |
| 2010 | 4.49 | 6.35 | 2.56 |
| 2009 | 3.7 | 5.58 | 1.54 |
| 2008 | 2.91 | 4.26 | 1.1 |
| 2007 | 2.74 | 4.59 | 1.4 |
| 2006 | 1.21 | 1.71 | 0.85 |
| 2005 | 1.12 | 1.72 | 0.74 |
| 2004 | 1.81 | 2.35 | 1.39 |
| 2003 | 1.97 | 2.44 | 1.52 |
| 2002 | 2.63 | 3.07 | 1.98 |
| 2001 | 4.39 | 5.83 | 2.74 |
| 2000 | 5.98 | 8.07 | 5.16 |
| 1999 | 8.55 | 13.84 | 6.74 |
| 1998 | 9.86 | 13.46 | 6.64 |