| 季度 | 单位：个 |
| 2010-12 | 1402000.00 |
| 2010-09 | 1274000.00 |
| 2010-06 | 1433000.00 |
| 2010-03 | 1670000.00 |
| 2009-12 | 2188000.00 |
| 2009-09 | 1643000.00 |
| 2009-06 | 1877000.00 |
| 2009-03 | 1464000.00 |
| 2008-12 | 1546000.00 |
| 2008-09 | 1610000.00 |
| 2008-06 | 1530000.00 |
| 2008-03 | 1701000.00 |
| 2007-12 | 1565000.00 |
| 2007-09 | 1387000.00 |
前瞻产业研究院 咨询·服务