| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 20.47 |
| 8 | 2012 | 20.41 |
| 9 | 2011 | 21.00 |
| 10 | 2010 | 19.69 |
| 11 | 2009 | 20.23 |
| 12 | 2008 | 19.78 |
| 13 | 2007 | 19.46 |
| 14 | 2006 | 16.69 |
| 15 | 2005 | 15.94 |
| 16 | 2004 | 14.51 |
| 17 | 2003 | 12.43 |
| 18 | 2002 | 13.36 |
| 19 | 2001 | 13.35 |
| 20 | 2000 | 14.05 |
| 21 | 1999 | 17.85 |
| 22 | 1998 | 17.74 |
| 23 | 1997 | 26.34 |
| 24 | 1996 | 17.40 |
| 25 | 1995 | 14.68 |
| 26 | 1994 | 12.44 |
| 27 | 1993 | 11.56 |
| 28 | 1992 | 15.70 |
| 29 | 1991 | 14.46 |
| 30 | 1990 | 13.93 |
