| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | 19.85 |
| 2018 | 19.79 |
| 2017 | 19.64 |
| 2016 | 19.6 |
| 2015 | 19.6 |
| 2014 | 19.49 |
| 2013 | 19.44 |
| 2012 | 19.43 |
| 2011 | 19.18 |
| 2010 | 18.93 |
| 2009 | 17.92 |
| 2008 | 17.44 |
| 2007 | 17.38 |
| 2006 | 17.33 |
| 2005 | 17.3 |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |