| 年份 | 总户数(万户) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | — |
| 2020 | 18.94 |
| 2019 | 17.63 |
| 2018 | 17.63 |
| 2017 | 8 |
| 2016 | -- |
| 2015 | -- |
| 2014 | -- |
| 2013 | -- |
| 2012 | -- |
| 2011 | -- |
| 2010 | -- |
| 2009 | 15.39 |
| 2008 | 14.89 |
| 2007 | 14.46 |
| 2006 | 14.12 |
| 2005 | 13.93 |
| 2004 | 13.74 |
| 2003 | 13.58 |
| 2002 | 13.3 |
| 2001 | 13.09 |
| 2000 | 12.84 |