| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 21.3 |
| 2020 | 21.42 |
| 2019 | 21.76 |
| 2018 | 21.7 |
| 2017 | 21.62 |
| 2016 | 21.67 |
| 2015 | 22.61 |
| 2014 | 23.44 |
| 2013 | 23.39 |
| 2012 | 23.28 |
| 2011 | 23.15 |
| 2010 | 22.9 |
| 2009 | 21.82 |
| 2008 | 21.68 |
| 2007 | 21.58 |
| 2006 | 21.27 |
| 2005 | 20.89 |
| 2004 | 20.65 |
| 2003 | 20.36 |
| 2002 | 20.26 |
| 2001 | 20.12 |
| 2000 | 20.06 |
| 1999 | 19.66 |