| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | |
| 8 | 2012 | |
| 9 | 2011 | |
| 10 | 2010 | |
| 11 | 2009 | 3.27 |
| 12 | 2008 | 3.35 |
| 13 | 2007 | 2.99 |
| 14 | 2006 | 2.96 |
| 15 | 2005 | 3.25 |
| 16 | 2004 | 2.86 |
| 17 | 2003 | 2.51 |
| 18 | 2002 | 2.57 |
| 19 | 2001 | 2.83 |
| 20 | 2000 | 3.20 |
| 21 | 1999 | 2.92 |
| 22 | 1998 | 32.21 |
| 23 | 1997 | 29.88 |
| 24 | 1996 | 29.82 |
| 25 | 1995 | 25.94 |
| 26 | 1994 | 22.74 |
| 27 | 1993 | 10.04 |
| 28 | 1992 | 6.57 |
| 29 | 1991 | 6.31 |
| 30 | 1990 | 6.07 |
