| 年份 | 单位：户 |
| 2010 | 30318658.76 |
| 2009 | 28478182.51 |
| 2008 | 26907169.77 |
| 2007 | 24581476.02 |
| 2006 | 22171809.68 |
| 2005 | 20777737.15 |
| 2004 | 18806393.69 |
| 2003 | 16786492.14 |
| 2002 | 8434267.63 |
| 2001 | 7398691.59 |
| 2000 | 5489286.48 |
| 1999 | 2830396.13 |
| 1998 | 1733155.76 |
| 1997 | 1110357.12 |
| 1996 | 526339.54 |
| 1995 | 150137.67 |
| 1994 | 110119.44 |
| 1993 | 50058.63 |
| 1992 | 30036.07 |
| 1991 | 10012.28 |
| 1990 | 5006.42 |
前瞻产业研究院 咨询·服务