| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 41.21 | 43.41 | 38.3 |
| 2024 | 32.09 | 50.98 | 22.83 |
| 2023 | 49.68 | 93.52 | 16.37 |
| 2022 | 15.33 | 29.81 | 6.7 |
| 2021 | 25.25 | 36.26 | 20.35 |
| 2020 | 24.35 | 36.79 | 19.16 |
| 2019 | 18 | 78.81 | 2.16 |
| 2018 | 2.03 | 2.77 | 1.41 |
| 2017 | 2.83 | 4.46 | 1.92 |
| 2016 | 4.44 | 6.07 | 2.47 |
| 2015 | 3.68 | 7.09 | 2.11 |
| 2014 | 2.02 | 2.51 | 1.4 |
| 2013 | 1.94 | 2.29 | 1.64 |
| 2012 | 2.16 | 2.75 | 1.64 |
| 2011 | 3.64 | 5.22 | 2.21 |
| 2010 | 4.2 | 6.04 | 2.77 |
| 2009 | 3.74 | 5.63 | 1.7 |
| 2008 | 3.6 | 8.37 | 1.57 |
| 2007 | 3.52 | 5.05 | 2.32 |
| 2006 | 2.59 | 4.26 | 1.74 |
| 2005 | 1.57 | 2.87 | 0.94 |
| 2004 | 2.68 | 3.24 | 2.22 |
| 2003 | 2.71 | 3.24 | 2.14 |
| 2002 | 3.77 | 4.58 | 3.37 |
| 2001 | 5.05 | 6 | 3.73 |
| 2000 | 4.32 | 5.5 | 3 |