| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | 51.06 |
| 2021 | — |
| 2020 | 50.91 |
| 2019 | 50.91 |
| 2018 | 50.86 |
| 2017 | 50.65 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 49.97 |
| 2008 | 49.64 |
| 2007 | 49.37 |
| 2006 | 48.89 |
| 2005 | 48.5 |
| 2004 | 47.17 |
| 2003 | 45.87 |
| 2002 | 45.5 |
| 2001 | 45.2 |
| 2000 | 44.3 |