| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | 27.31 |
| 2022 | — |
| 2021 | 27.57 |
| 2020 | 27.59 |
| 2019 | — |
| 2018 | 29.43 |
| 2017 | 29.23 |
| 2016 | 29.01 |
| 2015 | 28.79 |
| 2014 | 28.6 |
| 2013 | 28.47 |
| 2012 | 28.28 |
| 2011 | 28.1 |
| 2010 | 27.84 |
| 2009 | 32.5 |
| 2008 | 32.13 |
| 2007 | — |
| 2006 | — |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |