| 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 |
31.43 |
| 12 |
2010 |
33.65 |
| 13 |
2009 |
33.60 |
| 14 |
2008 |
32.97 |
| 15 |
2007 |
29.06 |
| 16 |
2006 |
27.71 |
| 17 |
2005 |
26.96 |
| 18 |
2004 |
26.29 |
| 19 |
2003 |
25.60 |
| 20 |
2002 |
26.97 |
| 21 |
2001 |
26.37 |
| 22 |
2000 |
26.09 |
| 23 |
1999 |
28.29 |
| 24 |
1998 |
28.96 |
| 25 |
1997 |
29.49 |
| 26 |
1996 |
30.28 |
| 27 |
1995 |
30.51 |
| 28 |
1994 |
30.23 |
| 29 |
1993 |
30.00 |
| 30 |
1992 |
30.52 |
| 31 |
1991 |
30.43 |
| 32 |
1989 |
27.31 |
| 33 |
1984 |
32.95 |
| 34 |
1983 |
29.24 |
| 35 |
1979 |
31.23 |
| 36 |
1978 |
27.14 |
| 37 |
1977 |
23.80 |
| 38 |
1976 |
28.94 |
| 39 |
1975 |
19.92 |
| 40 |
1974 |
18.93 |
| 41 |
1973 |
16.82 |
| 42 |
1972 |
18.55 |
| 43 |
1971 |
16.52 |
| 44 |
1970 |
21.28 |
