| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 15.07 |
| 8 | 2016 | 15.39 |
| 9 | 2015 | 15.16 |
| 10 | 2014 | 15.10 |
| 11 | 2013 | 15.46 |
| 12 | 2012 | 15.77 |
| 13 | 2011 | 15.87 |
| 14 | 2009 | 17.01 |
| 15 | 2008 | 16.59 |
| 16 | 2007 | 17.31 |
| 17 | 2006 | 17.47 |
| 18 | 2005 | 18.97 |
| 19 | 2004 | 19.92 |
| 20 | 2003 | 20.46 |
| 21 | 2002 | 21.09 |
| 22 | 2001 | 21.12 |
| 23 | 2000 | 18.98 |
