| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 77.32 | 84 | 71.92 |
| 2023 | 120.55 | 213.63 | 107.89 |
| 2022 | 104.57 | 144.46 | 60.28 |
| 2021 | 48.03 | 100.61 | 12.21 |
| 2020 | 23.98 | 30.5 | 10.54 |
| 2019 | 8.12 | 11.8 | 5.35 |
| 2018 | 7.86 | 11.5 | 4.16 |
| 2017 | 11.39 | 13.5 | 8.92 |
| 2016 | 10.55 | 17.8 | 8.69 |
| 2015 | 12.08 | 20.66 | 5.85 |
| 2014 | 7.48 | 15.06 | 5.1 |
| 2013 | 13.54 | 17.03 | 11.43 |
| 2012 | 16.14 | 23.85 | 9.12 |
| 2011 | 31.85 | 40.34 | 19.57 |
| 2010 | 54.09 | 94.45 | 33.42 |
| 2009 | 91.18 | 110.72 | 69.32 |
| 2008 | 125.55 | 274.14 | 64.79 |
| 2007 | 511.73 | 947.14 | 167.25 |
| 2006 | 400.02 | 553.31 | 290.58 |
| 2005 | 0 | -35.27 | |
| 2004 | 0 | -38.2 | |
| 2003 | 0 | -47.78 | |
| 2002 | 83.02 | 101.71 | 58.94 |
| 2001 | 137.8 | 248.15 | 80.46 |
| 2000 | 228.63 | 253.3 | 209.71 |