| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 3.33 | 4.74 | 2.75 |
| 2024 | 2.47 | 4.73 | 1.51 |
| 2023 | 2.76 | 3.63 | 2.23 |
| 2022 | 2.18 | 3.78 | 1.34 |
| 2021 | 1.37 | 2.36 | 0.82 |
| 2020 | 1.43 | 2.1 | 0.99 |
| 2019 | 1.35 | 1.84 | 0.97 |
| 2018 | 1.96 | 3.08 | 1.07 |
| 2017 | 860.06 | 3761.7 | 2.58 |
| 2016 | 3179.34 | 20702.3 | 1159.25 |
| 2015 | 5426.18 | 23948.9 | 850.43 |
| 2014 | 601.14 | 1210.05 | 365.64 |
| 2013 | 391.52 | 514.19 | 291.91 |
| 2012 | 340.74 | 486.32 | 234.29 |
| 2011 | 0 | -105.23 | |
| 2010 | 0 | -154 | |
| 2009 | 0 | -1.62 | |
| 2008 | 0 | -1.62 | |
| 2007 | 14.96 | 22.98 | 7.87 |
| 2006 | 5.14 | 9.64 | 1.61 |
| 2005 | 2.05 | 3.26 | 1.2 |
| 2004 | 4.73 | 7.08 | 3.04 |
| 2003 | 5.99 | 7.18 | 4.9 |
| 2002 | 7.22 | 9.35 | 5.5 |
| 2001 | 10.93 | 13.51 | 6.5 |
| 2000 | 11.77 | 15.49 | 4.89 |