| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | 50.81 |
| 2022 | 50.81 |
| 2021 | 50.3 |
| 2020 | 49.84 |
| 2019 | 49.46 |
| 2018 | 49.18 |
| 2017 | 21 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 47 |
| 2008 | 46 |
| 2007 | 44.72 |
| 2006 | 43.38 |
| 2005 | 42.96 |
| 2004 | 41.96 |
| 2003 | 40.93 |
| 2002 | 40.47 |
| 2001 | 39 |
| 2000 | 36 |