| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2022 | — |
| 2021 | 75.28 |
| 2020 | 75.18 |
| 2019 | 74.94 |
| 2018 | 74.97 |
| 2017 | 37 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 77 |
| 2008 | 75 |
| 2007 | 72.74 |
| 2006 | 72.69 |
| 2005 | 71.09 |
| 2004 | 69.59 |
| 2003 | 69.37 |
| 2002 | 69.15 |
| 2001 | 69 |
| 2000 | 68 |