| 年份 | 户籍人口 (万人) |
|---|---|
| 2019 | 4.10 |
| 2018 | 4.15 |
| 2017 | 4.20 |
| 2016 | 4.20 |
| 2015 | 4.22 |
| 2014 | 4.26 |
| 2013 | 4.20 |
| 2012 | 4.30 |
| 2011 | 4.30 |
| 2010 | 4.30 |
| 2009 | 4.30 |
| 2008 | 4.30 |
| 2007 | 4.30 |
| 2006 | 4.30 |
| 2005 | 4.30 |
| 2004 | 4.40 |
| 2003 | 4.50 |
| 2002 | 4.50 |
| 2001 | 4.60 |
| 2000 | 4.60 |