| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.82 | 3.42 | 2.28 |
| 2024 | 3.54 | 4.61 | 2.18 |
| 2023 | 29.39 | 93.88 | 1.93 |
| 2022 | 67.88 | 87.69 | 36.61 |
| 2021 | 48.54 | 84.48 | 31.88 |
| 2020 | 54.65 | 81.24 | 40.55 |
| 2019 | 61.89 | 70.12 | 50.22 |
| 2018 | 64 | 97.44 | 49.65 |
| 2017 | 125.12 | 188.83 | 95.33 |
| 2016 | 204.73 | 258.47 | 163.8 |
| 2015 | 221.13 | 417.91 | 133.92 |
| 2014 | 167.18 | 223.54 | 129.62 |
| 2013 | 0 | -0.39 | |
| 2012 | 0 | -0.22 | |
| 2011 | 0 | -0.26 | |
| 2010 | 0 | -0.5 | |
| 2009 | 0 | -0.21 | |
| 2008 | 0 | -0.15 | |
| 2007 | 0 | -0.31 | |
| 2006 | 0 | -0.17 | |
| 2005 | 0 | -0.05 | |
| 2004 | 0 | -0.12 | |
| 2003 | 0 | -0.15 | |
| 2002 | 3.67 | 4.72 | 2.65 |
| 2001 | 12.95 | 24.39 | 4.37 |
| 2000 | 1.09 | 1.66 | 0.4 |
| 1999 | 0.35 | 0.49 | 0.19 |
| 1998 | 0.14 | 0.24 | 0.08 |
| 1997 | 0.36 | 0.55 | 0.16 |