| 年月 | 单位：% |
| 2012-05 | 购买后可见 » |
| 2012-04 | 购买后可见 » |
| 2012-03 | 购买后可见 » |
| 2012-02 | 购买后可见 » |
| 2011-12 | 购买后可见 » |
| 2011-11 | 购买后可见 » |
| 2011-10 | 购买后可见 » |
| 2011-09 | 购买后可见 » |
| 2011-08 | 购买后可见 » |
| 2011-07 | 购买后可见 » |
| 2011-06 | 购买后可见 » |
| 2011-05 | 购买后可见 » |
| 2011-04 | 购买后可见 » |
| 2011-03 | 购买后可见 » |
| 2011-02 | 购买后可见 » |
| 2010-12 | 购买后可见 » |
| 2010-11 | 购买后可见 » |
| 2010-10 | 购买后可见 » |
| 2010-09 | 购买后可见 » |
| 2010-08 | 购买后可见 » |
| 2010-07 | 购买后可见 » |
| 2010-06 | 购买后可见 » |
| 2010-05 | 购买后可见 » |
| 2010-04 | 购买后可见 » |
| 2010-03 | 购买后可见 » |
| 2010-02 | 购买后可见 » |
| 2009-12 | 购买后可见 » |
| 2009-11 | 购买后可见 » |
| 2009-10 | 购买后可见 » |
| 2009-09 | 购买后可见 » |
| 2009-08 | 购买后可见 » |
| 2009-07 | 购买后可见 » |
| 2009-06 | 购买后可见 » |
| 2009-05 | 购买后可见 » |
| 2009-04 | 购买后可见 » |
| 2009-03 | 购买后可见 » |
| 2009-02 | 购买后可见 » |
| 2008-12 | 购买后可见 » |
| 2008-11 | 购买后可见 » |
| 2008-10 | 购买后可见 » |
| 2008-09 | 购买后可见 » |
| 2008-08 | 购买后可见 » |
| 2008-07 | 购买后可见 » |
| 2008-06 | 购买后可见 » |
| 2008-05 | 购买后可见 » |
| 2008-04 | 购买后可见 » |
| 2008-03 | 购买后可见 » |
| 2008-02 | 购买后可见 » |
| 2007-12 | 购买后可见 » |
| 2007-11 | 购买后可见 » |
| 2007-10 | 购买后可见 » |
| 2007-09 | 购买后可见 » |
| 2007-08 | 购买后可见 » |
| 2007-07 | 购买后可见 » |
| 2007-06 | 购买后可见 » |
| 2007-05 | 购买后可见 » |
| 2007-04 | 购买后可见 » |
| 2007-03 | 购买后可见 » |
| 2007-02 | 购买后可见 » |
| 2006-12 | 购买后可见 » |
| 2006-11 | 购买后可见 » |
| 2006-10 | 购买后可见 » |
| 2006-09 | 购买后可见 » |
| 2006-08 | 购买后可见 » |
| 2006-07 | 购买后可见 » |
| 2006-06 | 购买后可见 » |
| 2006-05 | 购买后可见 » |
| 2006-04 | 购买后可见 » |
| 2006-03 | 购买后可见 » |
| 2006-02 | 购买后可见 » |
| 2005-12 | 购买后可见 » |
| 2005-11 | 购买后可见 » |
| 2005-10 | 购买后可见 » |
| 2005-09 | 购买后可见 » |
| 2005-08 | 购买后可见 » |
| 2005-07 | 购买后可见 » |
| 2005-06 | 购买后可见 » |
| 2005-05 | 购买后可见 » |
| 2005-04 | 购买后可见 » |
| 2005-03 | 购买后可见 » |
| 2005-02 | 购买后可见 » |
| 2005-01 | 购买后可见 » |
| 2004-12 | 购买后可见 » |
| 2004-11 | 购买后可见 » |
| 2004-10 | 购买后可见 » |
| 2004-09 | 购买后可见 » |
| 2004-08 | 29.70 |
| 2004-07 | 28.30 |
| 2004-06 | 30.00 |
| 2004-05 | 32.20 |
| 2004-04 | 33.70 |
| 2004-03 | 34.10 |
| 2004-02 | 39.20 |
| 2004-01 | 19.00 |
| 2003-12 | 27.70 |
| 2003-11 | 27.50 |
| 2003-10 | 25.90 |
| 2003-09 | 25.00 |
| 2003-08 | 26.30 |
| 2003-07 | 26.30 |
| 2003-06 | 26.00 |
| 2003-05 | 22.00 |
| 2003-04 | 24.60 |
| 2003-03 | 28.10 |
| 2003-02 | 33.10 |
| 2003-01 | 22.50 |
| 2002-12 | 21.40 |
| 2002-11 | 20.60 |
| 2002-10 | 20.20 |
| 2002-09 | 18.50 |
| 2002-08 | 16.80 |
| 2002-07 | 15.20 |
| 2002-06 | 14.70 |
| 2002-05 | 14.60 |
| 2002-04 | 12.70 |
| 2002-03 | 10.80 |
| 2002-02 | -0.80 |
| 2002-01 | 19.80 |
| 2001-12 | 7.20 |
| 2001-11 | 6.50 |
| 2001-10 | 7.50 |
| 2001-09 | 8.10 |
| 2001-08 | 6.80 |
| 2001-07 | 7.80 |
| 2001-06 | 11.50 |
| 2001-05 | 12.90 |
| 2001-04 | 13.90 |
| 2001-03 | 15.90 |
| 2001-02 | 24.00 |
| 2001-01 | 4.10 |
| 2000-12 | 14.00 |
| 2000-11 | 15.50 |
| 2000-10 | 17.90 |
| 2000-09 | 20.10 |
| 2000-08 | 22.60 |
| 2000-07 | 22.30 |
| 2000-06 | 19.40 |
| 2000-05 | 17.30 |
| 2000-04 | 17.40 |
| 2000-02 | 15.82 |
| 2000-01 | 11.71 |
| 1999-12 | 9.81 |
| 1999-11 | 10.17 |
| 1999-10 | 8.21 |
| 1999-09 | 8.80 |
| 1999-08 | 11.07 |
| 1999-07 | 9.91 |
| 1999-06 | 10.33 |
| 1999-05 | 8.32 |
| 1999-04 | 7.83 |
| 1999-03 | 6.92 |
| 1999-02 | 1.84 |
| 1999-01 | 15.04 |
| 1998-12 | 14.10 |
| 1998-11 | 13.70 |
| 1998-10 | 13.30 |
| 1998-09 | 12.80 |
| 1998-08 | 9.46 |
| 1998-07 | 9.06 |
| 1998-06 | 3.80 |
| 1998-05 | 3.70 |
| 1998-04 | 2.50 |
| 1998-03 | 5.20 |
| 1998-02 | 9.60 |
| 1998-01 | -1.10 |
| 1997-12 | 8.50 |
| 1997-11 | 10.90 |
| 1997-10 | 9.40 |
| 1997-09 | 10.20 |
| 1997-08 | 10.00 |
| 1997-07 | 8.10 |
| 1997-06 | 11.60 |
| 1997-05 | 11.10 |
| 1997-04 | 12.10 |
| 1997-03 | 14.00 |
| 1997-02 | 10.20 |
| 1997-01 | 10.10 |
| 1995-12 | 24.00 |
| 1995-11 | 24.70 |
| 1995-10 | 25.30 |
| 1995-09 | 25.70 |
| 1995-08 | 27.10 |
| 1995-07 | 27.80 |
| 1995-06 | 28.30 |
| 1995-05 | 29.00 |
| 1995-04 | 30.00 |
| 1995-03 | 30.20 |
| 1995-02 | 31.00 |
| 1995-01 | 22.20 |
| 1990-12 | 14.80 |
| 1990-11 | 15.00 |
| 1990-10 | 12.70 |
| 1990-09 | 7.50 |
| 1990-08 | 4.60 |
| 1990-07 | 2.90 |
| 1990-06 | 5.90 |
| 1990-05 | 4.20 |
| 1990-04 | 2.00 |
| 1990-03 | 1.40 |
| 1990-02 | 5.60 |
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