| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 66 | 77.73 | 49.11 |
| 2023 | 53.54 | 85.2 | 40.54 |
| 2022 | 40.32 | 51.6 | 27.42 |
| 2021 | 19.37 | 38.89 | 14.92 |
| 2020 | 14.95 | 16.85 | 13.4 |
| 2019 | 15.87 | 20.52 | 13.71 |
| 2018 | 15.38 | 18.35 | 13.08 |
| 2017 | 20.12 | 25.08 | 16.66 |
| 2016 | 21.11 | 29.36 | 18.13 |
| 2015 | 25.54 | 42.32 | 14.12 |
| 2014 | 11.03 | 15.76 | 9.16 |
| 2013 | 10.04 | 11.78 | 8.29 |
| 2012 | 9.91 | 13.9 | 7.56 |
| 2011 | 12.18 | 14.73 | 9.11 |
| 2010 | 15.09 | 22.39 | 11.89 |
| 2009 | 10.97 | 15.72 | 3.47 |
| 2008 | 7.98 | 22.11 | 2.57 |
| 2007 | 18.76 | 33.11 | 6.46 |
| 2006 | 5.23 | 6.86 | 2.73 |
| 2005 | 4.12 | 6.99 | 2.47 |
| 2004 | 9.66 | 16.67 | 6.01 |