| 年份 | 常住人口数(万人) |
|---|---|
| 2025 | 17.4 |
| 2024 | — |
| 2023 | 17.66 |
| 2022 | 17.9 |
| 2021 | 18.01 |
| 2020 | 18.13 |
| 2019 | 19.63 |
| 2018 | 19.59 |
| 2017 | 19.53 |
| 2016 | 19.49 |
| 2015 | 19.45 |
| 2014 | 19.39 |
| 2013 | 19.36 |
| 2012 | 19.33 |
| 2011 | — |
| 2010 | 19.3 |
| 2009 | 19.18 |
| 2008 | 19.15 |
| 2007 | 19.11 |
| 2006 | 19.09 |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | — |
| 2001 | — |
| 2000 | — |
| 1999 | — |