| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 382.7 | 609.31 | 298.54 |
| 2024 | 748.02 | 876.86 | 584.29 |
| 2023 | 234.3 | 1040.84 | 38.7 |
| 2022 | 46.24 | 67.09 | 37.06 |
| 2021 | 60.27 | 74.37 | 42.31 |
| 2020 | 30.27 | 36.19 | 26.77 |
| 2019 | 41.7 | 75.11 | 18.68 |
| 2018 | 32.28 | 43.1 | 18.73 |
| 2017 | 20.86 | 25.28 | 17.72 |
| 2016 | 22 | 28.73 | 16.61 |
| 2015 | 96.21 | 117.28 | 80.93 |
| 2014 | 53.07 | 97.79 | 18.64 |
| 2013 | 52.59 | 106.19 | 20.11 |
| 2012 | 506.67 | 2270.8 | 25.64 |
| 2011 | 65.73 | 93.62 | 44.57 |
| 2010 | 79.11 | 291.55 | 40.95 |
| 2009 | 91.6 | 155.77 | 38.32 |
| 2008 | 66.23 | 118.86 | 26.47 |
| 2007 | 63.6 | 100.37 | 39.17 |
| 2006 | 26.74 | 61.01 | 12.29 |
| 2005 | 14.92 | 17.37 | 11.66 |
| 2004 | 20.47 | 28.43 | 16.34 |
| 2003 | 22.17 | 27.34 | 16.92 |
| 2002 | 26.88 | 29.74 | 21.25 |
| 2001 | 34.34 | 40.92 | 24.97 |
| 2000 | 29.95 | 35.11 | 24.11 |
| 1999 | 26.56 | 33.89 | 21.33 |