| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 19.99 |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | 28.82 |
| 2018 | 28.74 |
| 2017 | 28.52 |
| 2016 | 28.47 |
| 2015 | 28.47 |
| 2014 | 28.4 |
| 2013 | 28.32 |
| 2012 | 28.28 |
| 2011 | 28.21 |
| 2010 | 28.11 |
| 2009 | 33.65 |
| 2008 | 33.57 |
| 2007 | 33.47 |
| 2006 | 33.43 |
| 2005 | 33.4 |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |