| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
|
| 8 |
2014 |
|
| 9 |
2013 |
|
| 10 |
2012 |
|
| 11 |
2011 |
49.41 |
| 12 |
2010 |
49.65 |
| 13 |
2009 |
49.66 |
| 14 |
2008 |
49.92 |
| 15 |
2007 |
50.10 |
| 16 |
2006 |
50.24 |
| 17 |
2005 |
50.35 |
| 18 |
2004 |
50.29 |
| 19 |
2003 |
50.43 |
| 20 |
2002 |
50.64 |
| 21 |
2001 |
51.11 |
| 22 |
2000 |
51.53 |
| 23 |
1999 |
51.94 |
| 24 |
1998 |
52.15 |
| 25 |
1997 |
52.36 |
| 26 |
1996 |
52.62 |
| 27 |
1995 |
52.98 |
| 28 |
1994 |
53.56 |
| 29 |
1993 |
53.46 |
| 30 |
1992 |
53.58 |
| 31 |
1991 |
53.51 |
| 32 |
1990 |
65.63 |
| 33 |
1988 |
66.25 |
| 34 |
1983 |
65.41 |
| 35 |
1982 |
65.41 |
| 36 |
1981 |
66.72 |
| 37 |
1980 |
67.55 |
| 38 |
1979 |
74.07 |
| 39 |
1978 |
74.07 |
| 40 |
1977 |
74.08 |
| 41 |
1976 |
74.08 |
| 42 |
1975 |
74.07 |
| 43 |
1974 |
74.07 |
| 44 |
1973 |
74.07 |
| 45 |
1972 |
74.07 |
| 46 |
1971 |
74.07 |
| 47 |
1970 |
74.07 |
| 48 |
1969 |
74.10 |
