| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2012 | |
| 6 | 2005 | |
| 7 | 2004 | 0.11 |
| 8 | 2003 | 0.12 |
| 9 | 2002 | 0.17 |
| 10 | 2001 | 0.17 |
| 11 | 2000 | 0.18 |
| 12 | 1999 | 0.19 |
| 13 | 1997 | 3.06 |
| 14 | 1996 | 3.26 |
| 15 | 1995 | 2.28 |
| 16 | 1994 | 4.85 |
| 17 | 1993 | 5.16 |
| 18 | 1992 | 6.05 |
| 19 | 1991 | 5.19 |
| 20 | 1990 | 5.72 |
