| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 16.91 |
| 8 | 2014 | 18.34 |
| 9 | 2013 | 18.23 |
| 10 | 2012 | 17.38 |
| 11 | 2011 | 16.44 |
| 12 | 2010 | 16.19 |
| 13 | 2009 | 16.50 |
| 14 | 1999 | 17.12 |
| 15 | 1998 | 17.74 |
| 16 | 1997 | 18.09 |
| 17 | 1996 | 18.57 |
| 18 | 1995 | 17.90 |
| 19 | 1990 | 20.19 |
