| 年份 | 单位：% |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2018（E） | 购买后可见 » |
| 2017（E） | 购买后可见 » |
| 2016（E） | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 购买后可见 » |
| 2013 | 购买后可见 » |
| 2012 | 购买后可见 » |
| 2011 | 购买后可见 » |
| 2010 | 购买后可见 » |
| 2009 | 购买后可见 » |
| 2008 | 购买后可见 » |
| 2007 | 购买后可见 » |
| 2006 | 购买后可见 » |
| 2005 | 65.90 |
| 2004 | 65.33 |
| 2003 | 66.01 |
| 2002 | 63.88 |
| 2001 | 64.42 |
| 2000 | 63.13 |
| 1999 | 62.93 |
| 1998 | 61.63 |
| 1997 | 60.71 |
| 1996 | 61.03 |
| 1995 | 59.00 |
| 1994 | 59.30 |
| 1993 | 58.95 |
| 1992 | 59.57 |
| 1991 | 58.20 |
| 1990 | 57.10 |
| 1989 | 58.06 |
| 1988 | 56.80 |
| 1987 | 55.07 |
| 1986 | 56.69 |
| 1985 | 60.50 |
| 1984 | 60.72 |
| 1983 | 62.23 |
| 1982 | 63.38 |
| 1981 | 69.84 |
| 1980 | 75.33 |
| 1979 | 75.33 |
| 1978 | 75.78 |
| 1977 | 73.57 |
| 1976 | 72.86 |
| 1975 | 75.08 |
| 1974 | 78.27 |
| 1973 | 80.24 |
| 1972 | 78.51 |
| 1971 | 76.01 |
| 1970 | 78.00 |
| 1969 | 83.68 |
| 1968 | 84.79 |
| 1967 | 84.84 |
| 1966 | 83.78 |
| 1965 | 84.34 |
| 1964 | 85.91 |
| 1963 | 84.13 |
| 1962 | 86.98 |
| 1961 | 87.40 |
| 1960 | 86.62 |
前瞻产业研究院 咨询·服务