| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
48.65 |
| 8 |
2017 |
48.29 |
| 9 |
2016 |
47.63 |
| 10 |
2015 |
41.25 |
| 11 |
2014 |
40.65 |
| 12 |
2013 |
40.02 |
| 13 |
2012 |
39.40 |
| 14 |
2011 |
38.37 |
| 15 |
2010 |
33.51 |
| 16 |
2009 |
28.96 |
| 17 |
2008 |
27.86 |
| 18 |
2007 |
27.11 |
| 19 |
2006 |
26.43 |
| 20 |
2005 |
25.79 |
| 21 |
2004 |
24.99 |
| 22 |
2003 |
24.09 |
| 23 |
2002 |
23.17 |
| 24 |
2001 |
22.26 |
| 25 |
2000 |
21.38 |
| 26 |
1999 |
20.67 |
| 27 |
1998 |
20.07 |
| 28 |
1997 |
19.54 |
| 29 |
1996 |
19.09 |
| 30 |
1995 |
18.64 |
| 31 |
1994 |
18.26 |
| 32 |
1993 |
17.76 |
| 33 |
1992 |
17.35 |
| 34 |
1991 |
16.99 |
| 35 |
1990 |
16.88 |
| 36 |
1989 |
16.97 |
| 37 |
1988 |
16.81 |
| 38 |
1987 |
16.70 |
| 39 |
1986 |
16.54 |
| 40 |
1985 |
16.52 |
| 41 |
1980 |
14.01 |
| 42 |
1978 |
12.56 |
| 43 |
1975 |
12.04 |
| 44 |
1970 |
13.10 |
| 45 |
1965 |
14.67 |
| 46 |
1962 |
14.93 |
| 47 |
1957 |
16.17 |
