| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 52.19 | 62.14 | 41.3 |
| 2024 | 75.75 | 149.36 | 26.13 |
| 2023 | 149.64 | 379.58 | 9.01 |
| 2022 | 72.53 | 88.71 | 51.55 |
| 2021 | 0 | -15.85 | |
| 2020 | 154.67 | 437.33 | 31.91 |
| 2019 | 80.23 | 121.77 | 40.44 |
| 2018 | 20.59 | 64.51 | 7.39 |
| 2017 | 11.48 | 17.22 | 9.98 |
| 2016 | 0 | -39.58 | |
| 2015 | 21.58 | 28.73 | 14.92 |
| 2014 | 26.83 | 28.42 | 25.12 |
| 2013 | 24.75 | 26.83 | 22.74 |
| 2012 | 38.74 | 55.02 | 20.85 |
| 2011 | 42.17 | 78.44 | 24.58 |
| 2010 | 87.12 | 171.41 | 18 |
| 2009 | 23.55 | 32.76 | 16.3 |
| 2008 | 17.6 | 53.81 | 2.85 |
| 2007 | 44.96 | 49.67 | 35.54 |
| 2006 | 46.65 | 61.05 | 39.84 |
| 2005 | 0.68 | 0.87 | 0.51 |
| 2004 | 1.81 | 2.82 | 0.85 |
| 2003 | 5.93 | 6.96 | 4.52 |
| 2002 | 33.89 | 41.7 | 27.54 |
| 2001 | 0.76 | 1.17 | 0.34 |
| 2000 | 0.32 | 0.54 | 0.17 |
| 1999 | 0.19 | 0.35 | 0.1 |
| 1998 | 0.89 | 1.31 | 0.39 |
| 1997 | 0.61 | 0.86 | 0.33 |