| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 5.24 | 5.58 | 4.92 |
| 2024 | 4.14 | 6.88 | 3.1 |
| 2023 | 4.56 | 6.15 | 3.43 |
| 2022 | 5.29 | 6.91 | 3.96 |
| 2021 | 5.81 | 8.06 | 4.47 |
| 2020 | 6.08 | 8.51 | 4.79 |
| 2019 | 7.2 | 10.23 | 5.83 |
| 2018 | 8.51 | 12.06 | 6.67 |
| 2017 | 19.43 | 40.97 | 10.96 |
| 2016 | 247.19 | 851.75 | 28.14 |
| 2015 | 532.7 | 943.71 | 357.33 |
| 2014 | 469.4 | 529.69 | 384.66 |
| 2013 | 8107.95 | 24264.6 | 529.69 |
| 2012 | 24264.6 | 24264.6 | 24264.6 |
| 2011 | 753284 | 753284 | 753284 |
| 2010 | 168214.17 | 753284 | 202.68 |
| 2009 | 128.67 | 256.84 | 49.48 |
| 2008 | 120.11 | 233.24 | 42.3 |
| 2007 | 175.6 | 319.13 | 41.55 |
| 2006 | 29.26 | 47.58 | 19.87 |
| 2005 | 30.06 | 43.26 | 22.26 |
| 2004 | 46.63 | 136.88 | 23.48 |