| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 21.2 |
| 2020 | 21.17 |
| 2019 | 22.46 |
| 2018 | 22.45 |
| 2017 | 22.45 |
| 2016 | 22.42 |
| 2015 | 22.3 |
| 2014 | 22.2 |
| 2013 | 22.1 |
| 2012 | 22 |
| 2011 | 21.9 |
| 2010 | 21.76 |
| 2009 | 21.8 |
| 2008 | 21.68 |
| 2007 | 21.57 |
| 2006 | 21.4 |
| 2005 | 21.1 |
| 2004 | 19.8 |
| 2003 | 19.7 |
| 2002 | 19.5 |
| 2001 | 19.4 |
| 2000 | 19.3 |
| 1999 | 18.98 |