| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 0 | ||
| 2023 | 0 | ||
| 2022 | 0 | ||
| 2021 | 0 | -2.23 | |
| 2020 | 0 | -3.84 | |
| 2019 | 6.05 | 7.17 | 4.56 |
| 2018 | 6.25 | 9.36 | 4.07 |
| 2017 | 0 | -5.13 | |
| 2016 | 226.53 | 388.67 | 140.24 |
| 2015 | 0 | -11.21 | |
| 2014 | 56.01 | 62.15 | 53.27 |
| 2013 | 74.01 | 100.81 | 60.87 |
| 2012 | 2198.78 | 3393.13 | 1139.41 |
| 2011 | 1177.83 | 2040.52 | 227.65 |
| 2010 | 192.4 | 266.86 | 118.57 |
| 2009 | 133.56 | 232.32 | 63.92 |
| 2008 | 111.42 | 207.43 | 48.13 |
| 2007 | 133.85 | 244.81 | 36.23 |
| 2006 | 30.79 | 43.9 | 21.7 |
| 2005 | 36.53 | 76.01 | 21.59 |
| 2004 | 54.28 | 71.42 | 30.11 |
| 2003 | 51.31 | 66.97 | 33.89 |
| 2002 | 71.76 | 85.35 | 58.75 |
| 2001 | 129.87 | 150.84 | 109.07 |