| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 0 | -21.35 | |
| 2024 | 0 | -5.86 | |
| 2023 | 24.84 | 110.15 | 11.98 |
| 2022 | 86.19 | 116.28 | 36.57 |
| 2021 | 41.53 | 96.86 | 17.15 |
| 2020 | 28.05 | 45.51 | 21.71 |
| 2019 | 0 | -0.7 | |
| 2018 | 75.06 | 121.7 | 33.31 |
| 2017 | 224.06 | 708.43 | 118.88 |
| 2016 | 35.57 | 38.43 | 30.88 |
| 2015 | 37.13 | 70.53 | 24.65 |
| 2014 | 0 | -29.19 | |
| 2013 | 388.77 | 435.13 | 281.77 |
| 2012 | 197.17 | 289.06 | 119.99 |
| 2011 | 279.38 | 416.64 | 176.88 |
| 2010 | 293.78 | 764.33 | 86.09 |
| 2009 | 542.77 | 816.07 | 112.71 |
| 2008 | 16.42 | 21.48 | 10.34 |
| 2007 | 0 | -4.73 | |
| 2006 | 0 | -2.97 | |
| 2005 | 3.05 | 4.19 | 2.18 |
| 2004 | 2.54 | 3.49 | 0.31 |
| 2003 | 2.3 | 9.01 | 0.37 |
| 2002 | 10.48 | 13.15 | 7.13 |
| 2001 | 16.61 | 38.79 | 4.18 |
| 2000 | 0 | -0.06 | |
| 1999 | 0 | -0.04 | |
| 1998 | 0 | -0.29 | |
| 1997 | 9.38 | 16.61 | 5.63 |