| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2014 | |
| 2 | 2013 | |
| 3 | 2006 | |
| 4 | 2005 | |
| 5 | 2004 | |
| 6 | 2003 | |
| 7 | 2002 | |
| 8 | 2001 | |
| 9 | 2000 | |
| 10 | 1999 | |
| 11 | 1997 | 2.94 |
| 12 | 1996 | 2.69 |
| 13 | 1995 | 2.68 |
| 14 | 1994 | 2.74 |
| 15 | 1993 | 2.83 |
| 16 | 1992 | 3.03 |
| 17 | 1991 | 3.08 |
| 18 | 1990 | 2.90 |
