| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 40.96 |
| 2019 | 34.53 |
| 2018 | 34.55 |
| 2017 | 14 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 32.35 |
| 2008 | 31.49 |
| 2007 | 30.58 |
| 2006 | 29.76 |
| 2005 | 29.53 |
| 2004 | 29.31 |
| 2003 | 28.75 |
| 2002 | 28.09 |
| 2001 | 27.53 |
| 2000 | 27.31 |