| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 15.00 |
| 8 | 2018 | 18.36 |
| 9 | 2017 | 24.16 |
| 10 | 2016 | 15.41 |
| 11 | 2015 | 14.49 |
| 12 | 2014 | 11.87 |
| 13 | 2013 | 11.69 |
| 14 | 2012 | 11.98 |
| 15 | 2011 | 11.20 |
| 16 | 2010 | 11.21 |
| 17 | 2009 | 9.72 |
| 18 | 2008 | 9.80 |
| 19 | 2007 | 9.47 |
| 20 | 2006 | 9.34 |
| 21 | 2005 | 9.17 |
| 22 | 2004 | 10.28 |
| 23 | 2003 | 8.98 |
| 24 | 2002 | 8.62 |
| 25 | 2001 | 9.85 |
| 26 | 2000 | 11.70 |
| 27 | 1999 | 14.01 |
| 28 | 1998 | 13.83 |
| 29 | 1997 | 15.47 |
| 30 | 1996 | 15.66 |
| 31 | 1995 | 16.04 |
| 32 | 1994 | 17.44 |
