| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 76.35 |
| 12 | 2010 | 75.79 |
| 13 | 2009 | 75.62 |
| 14 | 2008 | 74.38 |
| 15 | 2007 | 75.50 |
| 16 | 2006 | 75.31 |
| 17 | 2005 | 75.29 |
| 18 | 2004 | 75.02 |
| 19 | 2003 | 75.20 |
| 20 | 2002 | 74.70 |
| 21 | 2001 | 74.51 |
| 22 | 2000 | 73.53 |
| 23 | 1999 | 73.90 |
| 24 | 1998 | 73.65 |
| 25 | 1997 | 73.24 |
| 26 | 1996 | 73.03 |
| 27 | 1995 | 72.60 |
| 28 | 1994 | 71.93 |
| 29 | 1993 | 71.59 |
| 30 | 1992 | 71.66 |
| 31 | 1991 | 71.14 |
| 32 | 1990 | 69.50 |
| 33 | 1989 | 68.60 |
| 34 | 1988 | 68.21 |
| 35 | 1987 | 68.09 |
| 36 | 1986 | 67.39 |
| 37 | 1985 | 66.96 |
| 38 | 1984 | 65.53 |
| 39 | 1983 | 64.81 |
| 40 | 1982 | 63.68 |
| 41 | 1981 | 62.73 |
| 42 | 1980 | 62.42 |
| 43 | 1979 | 62.22 |
| 44 | 1978 | 62.53 |
| 45 | 1977 | 60.89 |
| 46 | 1976 | 60.29 |
| 47 | 1975 | 59.66 |
| 48 | 1974 | 57.93 |
| 49 | 1973 | 57.11 |
| 50 | 1972 | 56.90 |
| 51 | 1971 | 55.76 |
| 52 | 1970 | 55.76 |
| 53 | 1969 | 55.18 |
