| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 388.5 |
| 2019 | 384.27 |
| 2018 | 377.85 |
| 2017 | 84 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 322.78 |
| 2008 | 319.48 |
| 2007 | 315.91 |
| 2006 | 312.65 |
| 2005 | 340.52 |
| 2004 | 309.02 |
| 2003 | 309.16 |
| 2002 | 303.91 |
| 2001 | 303.16 |
| 2000 | 299.53 |