| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 24.99 |
| 8 | 2017 | 20.74 |
| 9 | 2016 | 13.76 |
| 10 | 2015 | 13.30 |
| 11 | 2014 | 12.75 |
| 12 | 2013 | 13.63 |
| 13 | 2012 | 16.06 |
| 14 | 2011 | 15.84 |
| 15 | 2010 | 16.88 |
| 16 | 2009 | 20.05 |
| 17 | 2008 | 18.09 |
| 18 | 2007 | 20.82 |
| 19 | 2006 | 19.71 |
| 20 | 2005 | 20.10 |
| 21 | 2004 | 30.05 |
| 22 | 2003 | 18.01 |
| 23 | 2002 | 25.33 |
| 24 | 2001 | 26.86 |
| 25 | 2000 | 25.62 |
| 26 | 1999 | 22.85 |
