| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 25.92 |
| 8 | 2013 | 26.29 |
| 9 | 2012 | 26.34 |
| 10 | 2011 | 25.97 |
| 11 | 2010 | 25.18 |
| 12 | 2009 | 24.64 |
| 13 | 2008 | 24.19 |
| 14 | 2007 | 23.54 |
| 15 | 2006 | 22.78 |
| 16 | 2005 | 22.04 |
| 17 | 2004 | 21.25 |
| 18 | 2003 | 20.59 |
| 19 | 2002 | 20.00 |
| 20 | 2001 | 19.39 |
| 21 | 2000 | 18.63 |
| 22 | 1999 | 18.27 |
| 23 | 1998 | 17.80 |
| 24 | 1995 | 16.53 |
| 25 | 1990 | 14.58 |
| 26 | 1985 | 11.43 |
| 27 | 1980 | 12.26 |
| 28 | 1978 | 12.56 |
