| 年份 | 自然增长率 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2021 | — |
| 2020 | — |
| 2019 | 0.65 |
| 2018 | 0.03 |
| 2017 | -0.6 |
| 2016 | 0.19 |
| 2015 | -0.41 |
| 2014 | 0.05 |
| 2013 | 0.39 |
| 2012 | -0.46 |
| 2011 | 0.1 |
| 2010 | -0.04 |
| 2009 | -0.01 |
| 2008 | 0.11 |
| 2007 | — |
| 2006 | 0.17 |
| 2005 | — |
| 2004 | — |
| 2003 | 0.04 |
| 2002 | 0.13 |
| 2001 | 0.05 |
| 2000 | 0.43 |
| 1999 | — |