| 年份 | 单位:% |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2017(E) | 购买后可见 » |
| 2016(E) | 购买后可见 » |
| 2015(E) | 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 | 购买后可见 » |
| 2004 | 37.74 |
| 2003 | 22.50 |
| 2002 | 8.26 |
| 2001 | 18.01 |
| 2000 | 13.80 |
| 1999 | 64.11 |
| 1998 | 17.79 |
| 1997 | 19.53 |
| 1996 | 15.55 |
| 1995 | 52.75 |
| 1994 | 10.08 |
| 1993 | 24.75 |
| 1992 | 5.42 |
| 1991 | 4.22 |
| 1990 | 16.50 |
| 1989 | 4.49 |
| 1988 | 6.35 |
| 1987 | 11.24 |
| 1986 | -1.29 |
| 1985 | 5.50 |
| 1984 | 10.77 |
| 1983 | 7.09 |
| 1982 | 41.08 |
| 1981 | 10.78 |
| 1980 | 20.64 |
| 1979 | 13.58 |
| 1978 | 23.52 |
| 1977 | 20.59 |
| 1976 | 13.02 |
| 1975 | 21.73 |
| 1974 | 19.34 |
| 1973 | 19.13 |
| 1972 | 12.86 |
| 1971 | 8.63 |
| 1970 | 9.43 |
| 1969 | 10.19 |
| 1968 | 14.33 |
| 1967 | 11.85 |
| 1966 | 8.41 |
| 1965 | 5.09 |
| 1964 | 4.80 |
| 1963 | 7.63 |
| 1962 | 8.50 |
| 1961 | 7.70 |
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