| 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 | 25.65 |
| 2004-03 | 26.08 |
| 2003-12 | 26.48 |
| 2003-09 | 26.79 |
| 2003-06 | 27.56 |
| 2003-03 | 28.22 |
| 2002-12 | 28.79 |
| 2002-09 | 29.36 |
| 2002-06 | 29.74 |
| 2002-03 | 30.24 |
| 2001-12 | 30.93 |
| 2001-09 | 30.83 |
| 2001-06 | 30.77 |
| 2001-03 | 30.36 |
| 2000-12 | 30.30 |
| 2000-09 | 29.62 |
| 2000-06 | 29.32 |
| 2000-03 | 28.97 |
| 1999-12 | 29.11 |
| 1999-09 | 29.07 |
| 1999-06 | 28.75 |
| 1999-03 | 28.21 |
| 1998-12 | 27.99 |
| 1998-09 | 27.63 |
| 1998-06 | 27.36 |
| 1998-03 | 27.14 |
| 1997-12 | 27.06 |
| 1997-09 | 27.11 |
| 1997-06 | 27.03 |
| 1997-03 | 26.84 |
| 1996-12 | 26.90 |
| 1996-09 | 26.67 |
| 1996-06 | 26.42 |
| 1996-03 | 26.53 |
| 1995-12 | 26.60 |
| 1995-09 | 26.18 |
| 1995-06 | 25.81 |
| 1995-03 | 25.31 |
| 1994-12 | 24.96 |
| 1994-09 | 24.89 |
| 1994-06 | 24.54 |
| 1994-03 | 24.48 |
| 1993-12 | 23.85 |
| 1993-09 | 23.84 |
| 1993-06 | 23.77 |
| 1993-03 | 23.98 |
| 1992-12 | 23.42 |
| 1992-09 | 23.52 |
| 1992-06 | 23.53 |
| 1992-03 | 23.57 |
| 1991-12 | 23.66 |
| 1991-09 | 24.05 |
| 1991-06 | 24.24 |
| 1991-03 | 24.56 |
| 1990-12 | 24.75 |
| 1990-09 | 24.77 |
| 1990-06 | 24.74 |
| 1990-03 | 24.77 |
| 1989-12 | 24.88 |
| 1989-09 | 25.03 |
| 1989-06 | 25.15 |
| 1989-03 | 25.16 |
| 1988-12 | 25.58 |
| 1988-09 | 25.72 |
| 1988-06 | 25.92 |
| 1988-03 | 26.22 |
| 1987-12 | 26.49 |
| 1987-09 | 26.65 |
| 1987-06 | 26.82 |
| 1987-03 | 26.58 |
| 1986-12 | 26.82 |
| 1986-09 | 26.59 |
| 1986-06 | 26.37 |
| 1986-03 | 26.06 |
| 1985-12 | 26.04 |
| 1985-09 | 25.67 |
| 1985-06 | 24.90 |
| 1985-03 | 24.64 |
| 1984-12 | 24.00 |
| 1984-09 | 23.50 |
| 1984-06 | 23.09 |
| 1984-03 | 22.84 |
| 1983-12 | 22.82 |
| 1983-09 | 22.65 |
| 1983-06 | 22.55 |
| 1983-03 | 22.48 |
| 1982-12 | 22.31 |
| 1982-09 | 22.69 |
| 1982-06 | 23.26 |
| 1982-03 | 23.76 |
| 1981-12 | 24.17 |
| 1981-09 | 23.98 |
| 1981-06 | 24.09 |
| 1981-03 | 23.74 |
| 1980-12 | 23.64 |
| 1980-09 | 23.91 |
| 1980-06 | 24.56 |
| 1980-03 | 24.65 |
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