| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 16.83 |
| 8 | 2015 | 16.93 |
| 9 | 2014 | 19.77 |
| 10 | 2013 | 21.63 |
| 11 | 2012 | 16.38 |
| 12 | 2011 | 17.42 |
| 13 | 2010 | 17.99 |
| 14 | 2009 | 21.42 |
| 15 | 2008 | 21.47 |
| 16 | 2007 | 18.75 |
| 17 | 2006 | 18.36 |
| 18 | 2005 | 20.15 |
| 19 | 2004 | 10.98 |
| 20 | 2003 | 15.05 |
| 21 | 2002 | 18.06 |
| 22 | 2001 | 16.29 |
| 23 | 1999 | 16.44 |
| 24 | 1997 | 17.53 |
| 25 | 1996 | 17.37 |
| 26 | 1991 | 21.53 |
