| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 17.1 |
| 2024 | — |
| 2023 | 17.1 |
| 2022 | — |
| 2021 | 17.60 |
| 2020 | 17.8 |
| 2019 | 17.9 |
| 2018 | 18.2 |
| 2017 | 18.1 |
| 2016 | 18 |
| 2015 | 17.8 |
| 2014 | 17.63 |
| 2013 | 17.6 |
| 2012 | 17.55 |
| 2011 | 17.51 |
| 2010 | 17.59 |
| 2009 | 22.8 |
| 2008 | 22.8 |
| 2007 | 23.1 |
| 2006 | 23.07 |
| 2005 | 23.31 |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |