| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 44.22 |
| 2019 | 46.2 |
| 2018 | 46.28 |
| 2017 | 18 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 41.64 |
| 2008 | 40.23 |
| 2007 | 39.24 |
| 2006 | 38.36 |
| 2005 | 37.47 |
| 2004 | 36.6 |
| 2003 | 36.39 |
| 2002 | 35.59 |
| 2001 | 34.93 |
| 2000 | 34.04 |