| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 54.13 |
| 2019 | 54.13 |
| 2018 | 54.08 |
| 2017 | 54.48 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 24.87 |
| 2008 | 24.43 |
| 2007 | 23.92 |
| 2006 | 23.58 |
| 2005 | 23.04 |
| 2004 | 22.29 |
| 2003 | 21.76 |
| 2002 | 20.9 |
| 2001 | 20.6 |
| 2000 | 20.4 |