| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 25.72 | 29.17 | 22.85 |
| 2024 | 22.08 | 32.81 | 15.21 |
| 2023 | 27.05 | 35.93 | 21.52 |
| 2022 | 29.94 | 38.51 | 22.47 |
| 2021 | 17.22 | 23.35 | 12.32 |
| 2020 | 42.19 | 48.43 | 31.97 |
| 2019 | 246.56 | 1094.8 | 35.28 |
| 2018 | 99.51 | 253.52 | 34.25 |
| 2017 | 202.08 | 283.04 | 140.29 |
| 2016 | 198.08 | 434.82 | 78.76 |
| 2015 | 226.57 | 545.9 | 35.7 |
| 2014 | 44.98 | 76.34 | 28.96 |
| 2013 | 0 | -13.02 | |
| 2012 | 0 | -17.13 | |
| 2011 | 0 | -37.75 | |
| 2010 | 540.06 | 612.85 | 459.38 |
| 2009 | 257.87 | 500.72 | 15.67 |
| 2008 | 13.7 | 28.74 | 4.48 |
| 2007 | 15.6 | 27.97 | 3.59 |
| 2006 | 3.07 | 4.16 | 1.16 |
| 2005 | 1.52 | 2.11 | 1.07 |
| 2004 | 2.72 | 3.6 | 1.93 |
| 2003 | 3.19 | 4.2 | 2.25 |
| 2002 | 3.91 | 6.64 | 2.54 |
| 2001 | 7.73 | 9.55 | 5.79 |
| 2000 | 11.72 | 14.93 | 8.83 |
| 1999 | 7.82 | 11.67 | 4.57 |
| 1998 | 5.03 | 7.72 | 2.87 |
| 1997 | 2.74 | 3.9 | 2.08 |