| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 23.53 |
| 8 | 2011 | 23.83 |
| 9 | 2010 | 25.48 |
| 10 | 2009 | 28.49 |
| 11 | 2008 | 27.14 |
| 12 | 2007 | 26.98 |
| 13 | 2003 | 32.11 |
| 14 | 1999 | 11.31 |
| 15 | 1997 | 42.25 |
| 16 | 1996 | 37.48 |
