| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
41.78 |
| 8 |
2016 |
41.15 |
| 9 |
2015 |
44.28 |
| 10 |
2014 |
45.21 |
| 11 |
2013 |
45.68 |
| 12 |
2012 |
46.42 |
| 13 |
2011 |
46.39 |
| 14 |
2010 |
47.61 |
| 15 |
2009 |
49.33 |
| 16 |
2008 |
51.65 |
| 17 |
2007 |
52.46 |
| 18 |
2006 |
52.33 |
| 19 |
2005 |
51.16 |
| 20 |
2004 |
47.85 |
| 21 |
2003 |
44.44 |
| 22 |
2002 |
43.81 |
| 23 |
2001 |
42.93 |
| 24 |
2000 |
42.73 |
| 25 |
1999 |
40.09 |
| 26 |
1998 |
40.24 |
| 27 |
1997 |
40.80 |
| 28 |
1996 |
39.05 |
| 29 |
1995 |
34.69 |
| 30 |
1994 |
32.41 |
| 31 |
1993 |
34.21 |
| 32 |
1992 |
34.81 |
| 33 |
1991 |
25.89 |
| 34 |
1990 |
29.25 |
| 35 |
1989 |
27.88 |
| 36 |
1988 |
23.59 |
| 37 |
1987 |
20.27 |
| 38 |
1986 |
19.62 |
| 39 |
1985 |
20.24 |
| 40 |
1984 |
18.14 |
| 41 |
1983 |
16.97 |
| 42 |
1982 |
17.27 |
| 43 |
1981 |
18.26 |
| 44 |
1980 |
17.80 |
| 45 |
1979 |
17.15 |
| 46 |
1978 |
17.84 |
| 47 |
1975 |
16.58 |
| 48 |
1970 |
14.73 |
| 49 |
1965 |
10.23 |
| 50 |
1962 |
7.22 |
| 51 |
1957 |
11.54 |
| 52 |
1952 |
5.76 |
| 53 |
1949 |
0.50 |
