| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 285.36 |
| 2019 | 285.36 |
| 2018 | 281.05 |
| 2017 | 276.79 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 279.91 |
| 2008 | 273.79 |
| 2007 | 265.87 |
| 2006 | 258.27 |
| 2005 | 247.67 |
| 2004 | 241.09 |
| 2003 | 234.29 |
| 2002 | 230.6 |
| 2001 | 227.6 |
| 2000 | 219.8 |