| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 30.32 |
| 8 | 2014 | 29.07 |
| 9 | 2013 | 27.74 |
| 10 | 2012 | 28.41 |
| 11 | 2011 | 27.80 |
| 12 | 2010 | 28.23 |
| 13 | 2009 | 29.52 |
| 14 | 2008 | 30.66 |
| 15 | 2007 | 33.23 |
| 16 | 2006 | 34.87 |
| 17 | 2005 | 36.68 |
| 18 | 2004 | 37.58 |
| 19 | 2000 | 36.62 |
| 20 | 1995 | 25.42 |
| 21 | 1990 | 22.26 |
| 22 | 1985 | 21.05 |
| 23 | 1980 | 28.40 |
| 24 | 1978 | 29.15 |
