| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.53 | 2.66 | 2.22 |
| 2024 | 2.69 | 3.26 | 2 |
| 2023 | 4.65 | 6.58 | 2.96 |
| 2022 | 8.37 | 12.06 | 5.1 |
| 2021 | 7.74 | 18.2 | 3.31 |
| 2020 | 3.38 | 4.53 | 2.54 |
| 2019 | 5.84 | 11.15 | 3.23 |
| 2018 | 9.68 | 19.51 | 5.2 |
| 2017 | 18.06 | 21.53 | 13.74 |
| 2016 | 21.24 | 33.67 | 10.36 |
| 2015 | 350.68 | 1412.33 | 10.71 |
| 2014 | 103.17 | 197.83 | 39.6 |
| 2013 | 237.11 | 611.82 | 44.36 |
| 2012 | 0 | -9.95 | |
| 2011 | 0 | -21.7 | |
| 2010 | 0 | -19.93 | |
| 2009 | 0 | -5.82 | |
| 2008 | 0 | -3.9 | |
| 2007 | 0 | -9.52 | |
| 2006 | 0 | -8.68 | |
| 2005 | 58.01 | 78.78 | 38.29 |
| 2004 | 104.52 | 133.69 | 1.4 |
| 2003 | 2.1 | 2.89 | 1.39 |
| 2002 | 3.15 | 3.71 | 2.42 |
| 2001 | 4.83 | 6.36 | 3.04 |