| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
28.39 |
| 8 |
2017 |
30.37 |
| 9 |
2016 |
31.28 |
| 10 |
2015 |
37.59 |
| 11 |
2014 |
33.74 |
| 12 |
2013 |
36.67 |
| 13 |
2012 |
49.00 |
| 14 |
2011 |
54.67 |
| 15 |
2010 |
53.48 |
| 16 |
2009 |
42.30 |
| 17 |
2008 |
68.05 |
| 18 |
2007 |
46.39 |
| 19 |
2006 |
46.86 |
| 20 |
2005 |
42.50 |
| 21 |
2004 |
41.57 |
| 22 |
2003 |
38.05 |
| 23 |
2002 |
34.97 |
| 24 |
2001 |
32.94 |
| 25 |
2000 |
35.91 |
| 26 |
1999 |
33.51 |
| 27 |
1998 |
45.12 |
| 28 |
1997 |
44.61 |
| 29 |
1996 |
35.94 |
| 30 |
1995 |
40.92 |
| 31 |
1994 |
36.52 |
| 32 |
1993 |
32.45 |
| 33 |
1992 |
36.49 |
| 34 |
1991 |
27.17 |
| 35 |
1990 |
22.79 |
| 36 |
1989 |
21.72 |
| 37 |
1988 |
20.36 |
| 38 |
1987 |
21.27 |
| 39 |
1986 |
21.52 |
| 40 |
1985 |
22.01 |
| 41 |
1984 |
20.81 |
| 42 |
1983 |
19.47 |
| 43 |
1982 |
22.22 |
| 44 |
1981 |
25.91 |
| 45 |
1980 |
26.52 |
| 46 |
1979 |
22.66 |
| 47 |
1978 |
19.99 |
| 48 |
1977 |
20.22 |
| 49 |
1976 |
19.60 |
| 50 |
1975 |
24.43 |
