| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 30.90 |
| 8 | 2014 | 39.32 |
| 9 | 2013 | 39.53 |
| 10 | 2012 | 36.38 |
| 11 | 2011 | 36.91 |
| 12 | 2010 | 28.48 |
| 13 | 2009 | 25.24 |
| 14 | 2008 | 26.49 |
| 15 | 2007 | 29.78 |
| 16 | 2006 | 32.96 |
| 17 | 2005 | 27.80 |
| 18 | 2004 | 35.59 |
| 19 | 2003 | 33.19 |
| 20 | 2002 | 23.84 |
| 21 | 2001 | 22.83 |
| 22 | 2000 | 31.59 |
| 23 | 1999 | 28.00 |
| 24 | 1998 | 27.55 |
| 25 | 1997 | 31.72 |
| 26 | 1996 | 30.19 |
| 27 | 1995 | 29.86 |
| 28 | 1990 | 28.71 |
| 29 | 1985 | 20.89 |