| 年月 | 单位：家 |
| 2008-04 | 0.00 |
| 2008-03 | 0.00 |
| 2008-02 | 0.00 |
| 2008-01 | 0.00 |
| 2007-12 | 0.00 |
| 2007-11 | 0.00 |
| 2007-10 | 0.00 |
| 2007-09 | 0.00 |
| 2007-08 | 0.00 |
| 2007-07 | 0.00 |
| 2007-06 | 0.00 |
| 2007-05 | 0.00 |
| 2007-04 | 0.00 |
| 2007-03 | 0.00 |
| 2007-02 | 0.00 |
| 2007-01 | 0.00 |
| 2006-12 | 0.00 |
| 2006-11 | 0.00 |
| 2006-10 | 0.00 |
| 2006-09 | 0.00 |
| 2006-08 | 0.00 |
| 2006-07 | 0.00 |
| 2006-06 | 0.00 |
| 2006-05 | 0.00 |
| 2006-04 | 0.00 |
| 2006-03 | 0.00 |
| 2006-02 | 0.00 |
| 2006-01 | 0.00 |
| 2005-12 | 0.00 |
| 2005-11 | 0.00 |
| 2005-10 | 0.00 |
| 2005-09 | 0.00 |
| 2005-08 | 0.00 |
| 2005-07 | 0.00 |
| 2005-06 | 0.00 |
| 2005-05 | 0.00 |
| 2005-04 | 0.00 |
| 2005-03 | 0.00 |
| 2005-02 | 0.00 |
| 2005-01 | 0.00 |
| 2004-12 | 0.00 |
| 2004-11 | 0.00 |
| 2004-10 | 0.00 |
| 2004-09 | 0.00 |
| 2004-08 | 1.00 |
| 2004-07 | 0.00 |
| 2004-05 | 0.00 |
| 2004-04 | 1.00 |
| 2004-03 | 0.00 |
| 2004-02 | 0.00 |
| 2004-01 | 0.00 |
| 2003-12 | 0.00 |
| 2003-11 | 1.00 |
| 2003-10 | 0.00 |
| 2003-09 | 0.00 |
| 2003-08 | 0.00 |
| 2003-07 | 0.00 |
| 2003-06 | 0.00 |
| 2003-05 | 0.00 |
| 2003-04 | 0.00 |
| 2003-03 | 0.00 |
| 2003-02 | 0.00 |
| 2003-01 | 0.00 |
| 2002-12 | 0.00 |
| 2002-11 | 0.00 |
| 2002-10 | 0.00 |
| 2002-09 | 0.00 |
| 2002-08 | 0.00 |
| 2002-07 | 0.00 |
| 2002-06 | 0.00 |
| 2002-05 | 0.00 |
| 2002-04 | 0.00 |
| 2002-03 | 0.00 |
| 2002-02 | 0.00 |
| 2002-01 | 0.00 |
| 2001-12 | 0.00 |
| 2001-11 | 0.00 |
| 2001-10 | 0.00 |
| 2001-09 | 0.00 |
| 2001-08 | 0.00 |
| 2001-07 | 0.00 |
| 2001-06 | 0.00 |
| 2001-05 | 0.00 |
| 2001-04 | 0.00 |
| 2001-03 | 0.00 |
| 2001-02 | 0.00 |
| 2001-01 | 0.00 |
| 2000-12 | 0.00 |
| 2000-11 | 0.00 |
| 2000-10 | 1.00 |
| 2000-09 | 1.00 |
| 2000-08 | 1.00 |
| 2000-07 | 2.00 |
| 2000-06 | 1.00 |
| 2000-05 | 0.00 |
| 2000-04 | 0.00 |
| 2000-03 | 0.00 |
| 2000-02 | 0.00 |
| 2000-01 | 0.00 |
| 1999-12 | 1.00 |
| 1999-11 | 0.00 |
| 1999-10 | 0.00 |
| 1999-09 | 0.00 |
| 1999-08 | 0.00 |
| 1999-07 | 0.00 |
| 1999-06 | 1.00 |
| 1999-05 | 0.00 |
| 1999-04 | 0.00 |
| 1999-03 | 0.00 |
| 1999-02 | 0.00 |
| 1999-01 | 0.00 |
| 1998-12 | 1.00 |
| 1998-11 | 0.00 |
| 1998-10 | 1.00 |
| 1998-09 | 0.00 |
| 1998-08 | 0.00 |
| 1998-07 | 0.00 |
| 1998-06 | 1.00 |
| 1998-05 | 1.00 |
| 1998-04 | 1.00 |
| 1998-03 | 2.00 |
| 1998-02 | 0.00 |
| 1998-01 | 1.00 |
| 1997-12 | 0.00 |
| 1997-11 | 0.00 |
| 1997-10 | 0.00 |
| 1997-09 | 4.00 |
| 1997-08 | 1.00 |
| 1997-07 | 2.00 |
| 1997-06 | 2.00 |
| 1997-05 | 6.00 |
| 1997-04 | 0.00 |
| 1997-03 | 0.00 |
| 1997-02 | 0.00 |
| 1997-01 | 0.00 |
| 1996-12 | 1.00 |
| 1996-10 | 3.00 |
| 1996-09 | 1.00 |
| 1996-08 | 1.00 |
| 1996-07 | 3.00 |
| 1996-06 | 3.00 |
| 1996-05 | 1.00 |
| 1996-04 | 2.00 |
| 1996-03 | 1.00 |
| 1995-12 | 1.00 |
| 1995-11 | 1.00 |
| 1995-10 | 2.00 |
| 1995-09 | 2.00 |
| 1995-08 | 1.00 |
| 1995-07 | 1.00 |
| 1995-06 | 2.00 |
| 1995-05 | 1.00 |
| 1995-04 | 1.00 |
| 1994-12 | 1.00 |
| 1994-11 | 3.00 |
| 1994-10 | 2.00 |
| 1994-09 | 2.00 |
| 1994-08 | 1.00 |
| 1994-04 | 2.00 |
| 1994-03 | 3.00 |
| 1994-01 | 2.00 |
| 1993-12 | 4.00 |
| 1993-11 | 4.00 |
| 1993-10 | 2.00 |
| 1993-09 | 2.00 |
| 1993-08 | 1.00 |
| 1993-07 | 2.00 |
| 1993-06 | 4.00 |
| 1993-05 | 3.00 |
| 1993-03 | 1.00 |
| 1992-12 | 2.00 |
| 1992-08 | 1.00 |
| 1992-07 | 2.00 |
| 1992-06 | 8.00 |
| 1992-04 | 1.00 |
| 1992-03 | 3.00 |
| 1992-02 | 1.00 |
| 1992-01 | 1.00 |
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