| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | 27.55 |
| 2022 | 27.59 |
| 2021 | 27.6 |
| 2020 | 27.57 |
| 2019 | 27.59 |
| 2018 | 27.6 |
| 2017 | 28.17 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 27.51 |
| 2008 | 26.7 |
| 2007 | 26.11 |
| 2006 | 25.76 |
| 2005 | 25.3 |
| 2004 | 24.24 |
| 2003 | 23.48 |
| 2002 | 22.93 |
| 2001 | 21.66 |
| 2000 | 21.31 |