| 季度 | 单位：% |
| 2011-12 | 购买后可见 » |
| 2011-09 | 购买后可见 » |
| 2011-06 | 购买后可见 » |
| 2011-03 | 购买后可见 » |
| 2010-12 | 购买后可见 » |
| 2010-09 | 购买后可见 » |
| 2010-06 | 购买后可见 » |
| 2010-03 | 购买后可见 » |
| 2009-12 | 购买后可见 » |
| 2009-09 | 购买后可见 » |
| 2009-06 | 购买后可见 » |
| 2009-03 | 购买后可见 » |
| 2008-12 | 购买后可见 » |
| 2008-09 | 购买后可见 » |
| 2008-06 | 购买后可见 » |
| 2008-03 | 购买后可见 » |
| 2007-12 | 购买后可见 » |
| 2007-09 | 购买后可见 » |
| 2007-06 | 购买后可见 » |
| 2007-03 | 购买后可见 » |
| 2006-12 | 购买后可见 » |
| 2006-09 | 购买后可见 » |
| 2006-06 | 购买后可见 » |
| 2006-03 | 购买后可见 » |
| 2005-12 | 购买后可见 » |
| 2005-09 | 购买后可见 » |
| 2005-06 | 购买后可见 » |
| 2005-03 | 购买后可见 » |
| 2004-12 | 购买后可见 » |
| 2004-09 | 购买后可见 » |
| 2004-06 | 购买后可见 » |
| 2004-03 | 购买后可见 » |
| 2003-12 | 83.30 |
| 2003-09 | 114.30 |
| 2003-06 | 71.40 |
| 2003-03 | 66.70 |
| 2002-12 | 90.90 |
| 2002-09 | 82.20 |
| 2002-06 | 111.10 |
| 2002-03 | 126.50 |
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