| 年份 | 年平均人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | -- |
| 2019 | 270 |
| 2018 | 103 |
| 2017 | 103 |
| 2016 | 272 |
| 2015 | 271.87 |
| 2014 | 271.9 |
| 2013 | 271.6 |
| 2012 | 271.6 |
| 2011 | 271.3 |
| 2010 | 270.29 |
| 2009 | 269.33 |
| 2008 | 268.78 |
| 2007 | 268.79 |
| 2006 | 268.2 |
| 2005 | 267.41 |
| 2004 | 267.19 |
| 2003 | 267.16 |
| 2002 | 135.83 |
| 2001 | — |
| 2000 | — |