| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.43 | 3.13 | 2.05 |
| 2024 | 2.12 | 3.84 | 1.55 |
| 2023 | 3.35 | 4.6 | 2.65 |
| 2022 | 3.91 | 6.76 | 2.76 |
| 2021 | 9.71 | 21.8 | 4.23 |
| 2020 | 29.66 | 37.76 | 20.21 |
| 2019 | 73.14 | 99.81 | 35.32 |
| 2018 | 25.44 | 43.35 | 16.56 |
| 2017 | 139.24 | 320.13 | 40.66 |
| 2016 | 864.26 | 3218.32 | 182.48 |
| 2015 | 2811.18 | 5574.5 | 881.9 |
| 2014 | 2750.88 | 5304.41 | 2283.61 |
| 2013 | 0 | -37.06 | |
| 2012 | 0 | ||
| 2011 | 0 | ||
| 2010 | 0 | ||
| 2009 | 3.06 | 3.97 | 2.53 |
| 2008 | 3.07 | 5.77 | 1.05 |
| 2007 | 2.31 | 2.84 | 0.9 |
| 2006 | 1.12 | 1.4 | 0.74 |
| 2005 | 1.3 | 2.22 | 0.83 |
| 2004 | 2.07 | 2.63 | 1.46 |
| 2003 | 2.41 | 3.44 | 1.8 |
| 2002 | 3.17 | 3.45 | 2.85 |