| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 31.65 | 39.73 | 26.68 |
| 2024 | 19.14 | 43.87 | 10.93 |
| 2023 | 15.58 | 19.19 | 10.58 |
| 2022 | 10.68 | 15.35 | 8.07 |
| 2021 | 9.17 | 11.25 | 7.36 |
| 2020 | 8.24 | 10.28 | 6.55 |
| 2019 | 10.67 | 15.12 | 8.92 |
| 2018 | 13.59 | 22.24 | 8.42 |
| 2017 | 21.64 | 30.04 | 17.48 |
| 2016 | 17.73 | 27.53 | 9.14 |
| 2015 | 14.72 | 22.26 | 9.51 |
| 2014 | 14.46 | 21.46 | 10.15 |
| 2013 | 16.23 | 23.44 | 9.86 |
| 2012 | 11.55 | 16.58 | 7.93 |
| 2011 | 34.75 | 68.52 | 15.21 |
| 2010 | 32.61 | 40.08 | 26.2 |
| 2009 | 27.38 | 38.46 | 20.27 |
| 2008 | 0 | ||
| 2007 | 0 | ||
| 2006 | 24597.09 | 258197 | 5.67 |
| 2005 | 3.52 | 9.33 | 0.93 |
| 2004 | 2.11 | 3.37 | 1.31 |