| 序号 | 时间 (年) |
数据 (万人) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 19.00 |
| 8 | 2016 | 19.43 |
| 9 | 2015 | 19.71 |
| 10 | 2014 | 18.60 |
| 11 | 2013 | 17.60 |
| 12 | 2012 | 21.01 |
| 13 | 2011 | 20.10 |
| 14 | 2010 | 18.78 |
| 15 | 2009 | 18.81 |
| 16 | 2008 | 18.99 |
| 17 | 2007 | 19.17 |
| 18 | 2006 | 19.41 |
| 19 | 2005 | 19.77 |
| 20 | 2004 | 20.33 |
| 21 | 2003 | 21.47 |
| 22 | 2002 | 24.12 |
| 23 | 2001 | 28.13 |
| 24 | 2000 | 30.91 |
| 25 | 1999 | 31.95 |
| 26 | 1998 | 34.59 |
| 27 | 1997 | 42.21 |
| 28 | 1995 | 45.08 |
| 29 | 1990 | 42.25 |
| 30 | 1985 | 36.76 |
| 31 | 1980 | 31.37 |
| 32 | 1978 | 27.16 |
