| 序号 | 年份 | 人数 (单位：万人) |
|---|---|---|
| 1 | 2022 | 1076 |
| 2 | 2021 | 909 |
| 3 | 2020 | 874 |
| 4 | 2019 | 834 |
| 5 | 2018 | 820 |
| 6 | 2017 | 795 |
| 7 | 2016 | 765 |
| 8 | 2015 | 749 |
| 9 | 2014 | 727 |
| 10 | 2013 | 699 |
| 11 | 2012 | 680 |
| 12 | 2011 | 660 |
| 13 | 2010 | 631 |
| 14 | 2009 | 611 |
| 15 | 2008 | 559 |
| 16 | 2007 | 495 |
| 17 | 2006 | 413 |
| 18 | 2005 | 338 |
| 19 | 2004 | 280 |
| 20 | 2003 | 212 |
| 21 | 2002 | 145 |
| 22 | 2001 | 114 |
| 23 | 2000 | 95 |
