| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 18.58 | 20.27 | 17.27 |
| 2024 | 22.22 | 34.35 | 11.65 |
| 2023 | 15.23 | 35.74 | 2.92 |
| 2022 | 34.45 | 54.69 | 24.65 |
| 2021 | 49.91 | 59.39 | 41.78 |
| 2020 | 46.22 | 61.57 | 32.94 |
| 2019 | 33.86 | 44.38 | 25.12 |
| 2018 | 34.7 | 56.28 | 23.45 |
| 2017 | 87.25 | 144 | 54.4 |
| 2016 | 144.58 | 218.69 | 94.68 |
| 2015 | 820.9 | 3138.03 | 24.55 |
| 2014 | 38.63 | 78.69 | 19.15 |
| 2013 | 64.47 | 111.3 | 15.64 |
| 2012 | 19.29 | 35.29 | 11.53 |
| 2011 | 39.67 | 46.21 | 30.31 |
| 2010 | 35.2 | 53.72 | 14.87 |
| 2009 | 23.69 | 51.58 | 6.79 |
| 2008 | 46.82 | 116.23 | 5.51 |
| 2007 | 0 | -19.21 | |
| 2006 | 143.02 | 170.62 | 87.83 |
| 2005 | 1.44 | 2.08 | 0.98 |
| 2004 | 1.36 | 2.31 | 0.79 |
| 2003 | 0.86 | 1.03 | 0.75 |
| 2002 | 1.29 | 1.55 | 1.12 |
| 2001 | 2.68 | 4.02 | 1.34 |
| 2000 | 0.97 | 1.54 | 0.47 |
| 1999 | 0.61 | 1.06 | 0.33 |
| 1998 | 0.32 | 0.45 | 0.23 |