| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 27.34 |
| 8 | 2011 | 29.31 |
| 9 | 2010 | 31.36 |
| 10 | 2009 | 33.01 |
| 11 | 2008 | 32.94 |
| 12 | 2007 | 32.07 |
| 13 | 2003 | 35.71 |
| 14 | 1999 | 12.79 |
| 15 | 1997 | 47.38 |
| 16 | 1996 | 42.03 |
