| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
52.31 |
| 8 |
2016 |
50.49 |
| 9 |
2015 |
40.20 |
| 10 |
2014 |
45.85 |
| 11 |
2013 |
40.33 |
| 12 |
2012 |
37.89 |
| 13 |
2011 |
33.92 |
| 14 |
2010 |
38.64 |
| 15 |
2009 |
31.09 |
| 16 |
2008 |
36.14 |
| 17 |
2007 |
31.16 |
| 18 |
2006 |
30.68 |
| 19 |
2005 |
29.94 |
| 20 |
2004 |
24.57 |
| 21 |
2003 |
24.21 |
| 22 |
2002 |
23.88 |
| 23 |
2001 |
20.36 |
| 24 |
2000 |
21.87 |
| 25 |
1999 |
22.97 |
| 26 |
1998 |
24.84 |
| 27 |
1982 |
24.92 |
| 28 |
1980 |
26.27 |
| 29 |
1979 |
23.42 |
| 30 |
1974 |
17.85 |
| 31 |
1973 |
21.83 |
| 32 |
1972 |
20.94 |
| 33 |
1971 |
17.16 |
| 34 |
1970 |
17.82 |
| 35 |
1969 |
19.56 |
| 36 |
1968 |
21.80 |
| 37 |
1967 |
21.84 |
| 38 |
1966 |
24.69 |
| 39 |
1965 |
22.80 |
| 40 |
1964 |
24.37 |
| 41 |
1963 |
22.63 |
| 42 |
1962 |
26.37 |
