| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 20.11 | 21.34 | 18.22 |
| 2024 | 25.92 | 34.47 | 18.79 |
| 2023 | 28.51 | 59.73 | 4.67 |
| 2022 | 4.92 | 5.67 | 4.29 |
| 2021 | 22.18 | 50.09 | 4.69 |
| 2020 | 52.35 | 70.9 | 34.3 |
| 2019 | 32.31 | 51.47 | 13.77 |
| 2018 | 14.81 | 18.24 | 11.54 |
| 2017 | 20.87 | 25.4 | 13.73 |
| 2016 | 50.85 | 86.23 | 20.9 |
| 2015 | 27.21 | 39.35 | 17.47 |
| 2014 | 20.36 | 28.57 | 8.74 |
| 2013 | 13.49 | 79.12 | 8.22 |
| 2012 | 12.95 | 17.5 | 6.15 |
| 2011 | 0 | -3.42 | |
| 2010 | 86.14 | 335.74 | 52.12 |
| 2009 | 11.67 | 15.53 | 9.33 |
| 2008 | 13.29 | 44.12 | 2.01 |
| 2007 | 35.51 | 41.08 | 31.34 |
| 2006 | 0 | -1.36 | |
| 2005 | 3.21 | 3.78 | 2.14 |
| 2004 | 4.83 | 13.44 | 2.92 |
| 2003 | 7.46 | 10.24 | 3.77 |
| 2002 | 17.93 | 38.17 | 8.26 |
| 2001 | 11.09 | 18.11 | 4.85 |
| 2000 | 6.21 | 8.91 | 4.53 |
| 1999 | 6.11 | 13.36 | 1.8 |
| 1998 | 2.35 | 3.68 | 1.49 |