| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
29.09 |
| 8 |
2016 |
32.08 |
| 9 |
2015 |
28.73 |
| 10 |
2014 |
28.93 |
| 11 |
2013 |
29.50 |
| 12 |
2012 |
39.17 |
| 13 |
2011 |
39.83 |
| 14 |
2010 |
37.65 |
| 15 |
2009 |
38.22 |
| 16 |
2008 |
38.81 |
| 17 |
2007 |
36.12 |
| 18 |
2006 |
43.22 |
| 19 |
2005 |
44.89 |
| 20 |
2004 |
38.87 |
| 21 |
2003 |
35.89 |
| 22 |
2002 |
51.47 |
| 23 |
2001 |
29.10 |
| 24 |
2000 |
27.05 |
| 25 |
1999 |
56.83 |
| 26 |
1998 |
52.83 |
| 27 |
1997 |
46.21 |
| 28 |
1996 |
48.44 |
| 29 |
1987 |
25.17 |
| 30 |
1986 |
25.56 |
| 31 |
1981 |
19.66 |
| 32 |
1980 |
15.08 |
| 33 |
1979 |
7.56 |
| 34 |
1978 |
14.08 |
| 35 |
1977 |
11.44 |
| 36 |
1975 |
14.95 |
| 37 |
1974 |
13.56 |
| 38 |
1973 |
21.88 |
| 39 |
1972 |
17.08 |
| 40 |
1971 |
22.83 |
| 41 |
1970 |
18.78 |
| 42 |
1969 |
16.90 |
| 43 |
1968 |
9.53 |
| 44 |
1967 |
4.75 |
| 45 |
1966 |
5.21 |
| 46 |
1965 |
2.93 |
| 47 |
1964 |
3.99 |
| 48 |
1963 |
7.21 |
| 49 |
1962 |
3.75 |
