| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 17.24 |
| 2024 | — |
| 2023 | 17.44 |
| 2022 | — |
| 2021 | 17.57 |
| 2020 | 17.47 |
| 2019 | 20.55 |
| 2018 | 20.5 |
| 2017 | 20.4 |
| 2016 | 20.32 |
| 2015 | 20.2 |
| 2014 | 20.15 |
| 2013 | 20.12 |
| 2012 | 20.08 |
| 2011 | 20.03 |
| 2010 | 19.99 |
| 2009 | 19.75 |
| 2008 | 19.61 |
| 2007 | 19.56 |
| 2006 | 19.64 |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |