| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.41 | 3.38 | 1.38 |
| 2024 | 1.46 | 2.36 | 1.06 |
| 2023 | 2.11 | 4.11 | 1.21 |
| 2022 | 2.9 | 5.53 | 0.95 |
| 2021 | 1.24 | 1.85 | 0.9 |
| 2020 | 2.28 | 3.34 | 1.77 |
| 2019 | 3.06 | 3.82 | 2.65 |
| 2018 | 4.5 | 6.88 | 2.98 |
| 2017 | 193.75 | 1062.69 | 5.6 |
| 2016 | 130.3 | 955.15 | 50.04 |
| 2015 | 51.88 | 102.55 | 21.7 |
| 2014 | 43.02 | 142.4 | 20.68 |
| 2013 | 381.38 | 1346.76 | 112.48 |
| 2012 | 1005.75 | 1134.49 | 872.68 |
| 2011 | 0 | 0 | |
| 2010 | 2067 | 3923.29 | 463.99 |
| 2009 | 405.13 | 652.9 | 242.56 |
| 2008 | 207.55 | 380.7 | 96.42 |
| 2007 | 111.44 | 168.63 | 55.1 |
| 2006 | 44.52 | 70.48 | 9.85 |
| 2005 | 6.01 | 10.18 | 3.13 |
| 2004 | 23.19 | 43.74 | 5.67 |