| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | — |
| 2019 | — |
| 2018 | 21.06 |
| 2017 | 20.88 |
| 2016 | 20.54 |
| 2015 | 20.01 |
| 2014 | 19.54 |
| 2013 | 19 |
| 2012 | 18.63 |
| 2011 | 18.26 |
| 2010 | — |
| 2009 | 17.41 |
| 2008 | 16.79 |
| 2007 | 16.41 |
| 2006 | — |
| 2005 | — |
| 2004 | — |
| 2003 | — |
| 2002 | 16.56 |
| 2001 | 15.93 |
| 2000 | 5.8 |
| 1999 | — |