| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2022 | 4.95 | 5.0420 | 4.8750 |
| 2021 | 5.2 | 5.5060 | 5.0220 |
| 2020 | 4.81 | 5.3030 | 4.4240 |
| 2019 | 4.45 | 4.5860 | 4.1710 |
| 2018 | 4.36 | 4.5250 | 4.1400 |
| 2017 | 4.23 | 4.4380 | 4.0260 |
| 2016 | 4.01 | 4.0770 | 3.9020 |
| 2015 | 4.04 | 4.3050 | 3.8040 |
| 2014 | 3.69 | 3.8210 | 3.5960 |
| 2013 | 3.62 | 3.7880 | 3.4090 |
| 2012 | 3.35 | 3.4060 | 3.2860 |
| 2011 | 3.42 | 3.5000 | 3.3000 |
| 2010 | 3.38 | 3.5250 | 3.2370 |
| 2009 | 3.24 | 3.4210 | 3.0450 |
| 2008 | 3.16 | 3.4380 | 2.9660 |
| 2007 | 2.91 | 3.4180 | 2.1230 |
| 2006 | 1.63 | 2.1300 | 1.1530 |
| 2005 | 1.12 | 1.1790 | 1.0230 |
| 2004 | 1.11 | 1.2170 | 1.0330 |
| 2003 | 1.04 | 1.0990 | 1.0000 |