| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 16.63 |
| 8 | 2014 | 17.32 |
| 9 | 2013 | 16.95 |
| 10 | 2012 | 15.52 |
| 11 | 2011 | 15.22 |
| 12 | 2010 | 18.24 |
| 13 | 2009 | 18.29 |
| 14 | 2008 | 17.72 |
| 15 | 2007 | 19.30 |
| 16 | 2006 | 16.86 |
| 17 | 2005 | 19.19 |
| 18 | 2004 | 19.72 |
| 19 | 1996 | 22.77 |
| 20 | 1995 | 24.38 |
| 21 | 1994 | 23.59 |
| 22 | 1993 | 23.92 |
| 23 | 1992 | 28.20 |
| 24 | 1991 | 31.99 |
| 25 | 1990 | 34.53 |
