| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2018 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 45.40 |
| 8 | 2011 | 47.99 |
| 9 | 2010 | 43.57 |
| 10 | 2009 | 41.83 |
| 11 | 2008 | 41.46 |
| 12 | 2007 | 38.88 |
| 13 | 2006 | 38.00 |
| 14 | 2005 | 37.96 |
| 15 | 2004 | 38.76 |
| 16 | 2003 | 35.59 |
| 17 | 2002 | 33.70 |
| 18 | 2001 | 32.81 |
| 19 | 2000 | 32.69 |
| 20 | 1999 | 28.11 |
| 21 | 1998 | 26.50 |
| 22 | 1997 | 22.85 |
| 23 | 1996 | 19.41 |
| 24 | 1995 | 27.99 |
| 25 | 1994 | 27.15 |
| 26 | 1993 | 27.42 |
| 27 | 1992 | 23.78 |
| 28 | 1991 | 20.28 |
| 29 | 1990 | 19.49 |
