| 季度 | 单位：% |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2014-06（E） | 购买后可见 » |
| 2014-03（E） | 购买后可见 » |
| 2013-12（E） | 购买后可见 » |
| 2013-09（E） | 购买后可见 » |
| 2013-06 | 购买后可见 » |
| 2013-03 | 购买后可见 » |
| 2012-12 | 购买后可见 » |
| 2012-09 | 购买后可见 » |
| 2012-06 | 购买后可见 » |
| 2012-03 | 购买后可见 » |
| 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 | 16.25 |
| 2004-03 | 16.23 |
| 2003-12 | 16.13 |
| 2003-09 | 16.01 |
| 2003-06 | 16.04 |
| 2003-03 | 16.06 |
| 2002-12 | 15.98 |
| 2002-09 | 15.85 |
| 2002-06 | 15.60 |
| 2002-03 | 15.50 |
| 2001-12 | 15.67 |
| 2001-09 | 15.15 |
| 2001-06 | 15.37 |
| 2001-03 | 15.16 |
| 2000-12 | 15.08 |
| 2000-09 | 14.89 |
| 2000-06 | 14.80 |
| 2000-03 | 14.69 |
| 1999-12 | 14.86 |
| 1999-09 | 14.94 |
| 1999-06 | 14.83 |
| 1999-03 | 14.71 |
| 1998-12 | 14.63 |
| 1998-09 | 14.60 |
| 1998-06 | 14.66 |
| 1998-03 | 14.71 |
| 1997-12 | 14.93 |
| 1997-09 | 15.01 |
| 1997-06 | 15.01 |
| 1997-03 | 14.95 |
| 1996-12 | 14.95 |
| 1996-09 | 14.89 |
| 1996-06 | 14.83 |
| 1996-03 | 14.78 |
| 1995-12 | 14.75 |
| 1995-09 | 14.72 |
| 1995-06 | 14.62 |
| 1995-03 | 14.42 |
| 1994-12 | 14.23 |
| 1994-09 | 14.14 |
| 1994-06 | 14.06 |
| 1994-03 | 14.09 |
| 1993-12 | 13.94 |
| 1993-09 | 14.10 |
| 1993-06 | 14.03 |
| 1993-03 | 14.30 |
| 1992-12 | 14.12 |
| 1992-09 | 14.35 |
| 1992-06 | 14.55 |
| 1992-03 | 14.74 |
| 1991-12 | 15.03 |
| 1991-09 | 15.21 |
| 1991-06 | 15.31 |
| 1991-03 | 15.44 |
| 1990-12 | 15.43 |
| 1990-09 | 15.36 |
| 1990-06 | 15.37 |
| 1990-03 | 15.39 |
| 1989-12 | 15.46 |
| 1989-09 | 15.42 |
| 1989-06 | 15.28 |
| 1989-03 | 15.06 |
| 1988-12 | 15.09 |
| 1988-09 | 15.23 |
| 1988-06 | 15.27 |
| 1988-03 | 15.28 |
| 1987-12 | 15.33 |
| 1987-09 | 15.53 |
| 1987-06 | 15.72 |
| 1987-03 | 15.47 |
| 1986-12 | 15.60 |
| 1986-09 | 15.37 |
| 1986-06 | 15.22 |
| 1986-03 | 15.13 |
| 1985-12 | 15.10 |
| 1985-09 | 14.98 |
| 1985-06 | 14.57 |
| 1985-03 | 14.49 |
| 1984-12 | 14.07 |
| 1984-09 | 13.92 |
| 1984-06 | 13.87 |
| 1984-03 | 13.77 |
| 1983-12 | 13.74 |
| 1983-09 | 13.68 |
| 1983-06 | 13.75 |
| 1983-03 | 13.75 |
| 1982-12 | 13.79 |
| 1982-09 | 13.76 |
| 1982-06 | 13.81 |
| 1982-03 | 13.68 |
| 1981-12 | 13.48 |
| 1981-09 | 13.39 |
| 1981-06 | 13.58 |
| 1981-03 | 13.40 |
| 1980-12 | 13.31 |
| 1980-09 | 13.63 |
| 1980-06 | 13.90 |
| 1980-03 | 13.83 |
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