| 年月 | 单位：亿小时 |
| 2012-12 | 购买后可见 » |
| 2012-11 | 购买后可见 » |
| 2012-10 | 购买后可见 » |
| 2012-09 | 购买后可见 » |
| 2012-08 | 购买后可见 » |
| 2012-07 | 购买后可见 » |
| 2012-06 | 购买后可见 » |
| 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 » |
| 2012-01 | 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 » |
| 2011-02 | 购买后可见 » |
| 2011-01 | 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 » |
| 2010-01 | 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 » |
| 2009-01 | 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 » |
| 2008-01 | 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 » |
| 2007-01 | 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 » |
| 2006-01 | 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 | 24.05 |
| 2005-03 | 25.05 |
| 2005-02 | 25.02 |
| 2005-01 | 25.02 |
| 2004-12 | 24.20 |
| 2004-11 | 25.45 |
| 2004-10 | 25.44 |
| 2004-09 | 25.27 |
| 2004-08 | 25.05 |
| 2004-07 | 25.09 |
| 2004-06 | 25.35 |
| 2004-05 | 25.56 |
| 2004-04 | 23.80 |
| 2004-03 | 25.18 |
| 2004-02 | 25.01 |
| 2004-01 | 24.89 |
| 2003-12 | 23.98 |
| 2003-11 | 24.46 |
| 2003-10 | 25.45 |
| 2003-09 | 25.45 |
| 2003-08 | 25.24 |
| 2003-07 | 25.25 |
| 2003-06 | 25.53 |
| 2003-05 | 25.33 |
| 2003-04 | 23.52 |
| 2003-03 | 25.32 |
| 2003-02 | 25.03 |
| 2003-01 | 24.61 |
| 2002-12 | 23.80 |
| 2002-11 | 25.56 |
| 2002-10 | 25.59 |
| 2002-09 | 25.35 |
| 2002-08 | 25.20 |
| 2002-07 | 25.28 |
| 2002-06 | 25.29 |
| 2002-05 | 25.32 |
| 2002-04 | 23.92 |
| 2002-03 | 25.46 |
| 2002-02 | 25.30 |
| 2002-01 | 25.06 |
| 2001-12 | 24.08 |
| 2001-11 | 25.51 |
| 2001-10 | 25.52 |
| 2001-09 | 24.46 |
| 2001-08 | 25.43 |
| 2001-07 | 25.67 |
| 2001-06 | 26.00 |
| 2001-05 | 25.99 |
| 2001-04 | 24.69 |
| 2001-03 | 25.95 |
| 2001-02 | 26.04 |
| 2001-01 | 25.89 |
| 2000-12 | 25.88 |
| 2000-11 | 26.23 |
| 2000-10 | 26.13 |
| 2000-09 | 26.10 |
| 2000-08 | 25.73 |
| 2000-07 | 25.93 |
| 2000-06 | 26.12 |
| 2000-05 | 26.21 |
| 2000-04 | 25.75 |
| 2000-03 | 25.86 |
| 2000-02 | 25.84 |
| 2000-01 | 25.72 |
| 1999-12 | 24.79 |
| 1999-11 | 26.16 |
| 1999-10 | 26.22 |
| 1999-09 | 25.97 |
| 1999-08 | 25.71 |
| 1999-07 | 25.57 |
| 1999-06 | 25.87 |
| 1999-05 | 26.14 |
| 1999-04 | 24.12 |
| 1999-03 | 25.80 |
| 1999-02 | 25.75 |
| 1999-01 | 25.72 |
| 1998-12 | 24.74 |
| 1998-11 | 26.11 |
| 1998-10 | 26.25 |
| 1998-09 | 26.08 |
| 1998-08 | 25.75 |
| 1998-07 | 25.75 |
| 1998-06 | 26.35 |
| 1998-05 | 26.31 |
| 1998-04 | 24.31 |
| 1998-03 | 26.11 |
| 1998-02 | 26.02 |
| 1998-01 | 26.06 |
| 1997-12 | 24.90 |
| 1997-11 | 25.29 |
| 1997-10 | 26.56 |
| 1997-09 | 26.56 |
| 1997-08 | 26.26 |
| 1997-07 | 26.26 |
| 1997-06 | 26.86 |
| 1997-05 | 26.78 |
| 1997-04 | 24.51 |
| 1997-03 | 26.70 |
| 1997-02 | 26.54 |
| 1997-01 | 26.28 |
| 1996-12 | 25.19 |
| 1996-11 | 26.74 |
| 1996-10 | 26.65 |
| 1996-09 | 26.45 |
| 1996-08 | 26.19 |
| 1996-07 | 26.38 |
| 1996-06 | 26.85 |
| 1996-05 | 26.61 |
| 1996-04 | 24.72 |
| 1996-03 | 26.42 |
| 1996-02 | 26.09 |
| 1996-01 | 26.00 |
| 1995-12 | 26.01 |
| 1995-11 | 26.36 |
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