| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
31.62 |
| 8 |
2017 |
31.30 |
| 9 |
2016 |
30.56 |
| 10 |
2015 |
30.34 |
| 11 |
2014 |
31.70 |
| 12 |
2013 |
33.86 |
| 13 |
2012 |
35.53 |
| 14 |
2011 |
37.24 |
| 15 |
2010 |
35.77 |
| 16 |
2009 |
33.55 |
| 17 |
2008 |
36.33 |
| 18 |
2007 |
37.70 |
| 19 |
2006 |
37.46 |
| 20 |
2005 |
34.36 |
| 21 |
2004 |
32.65 |
| 22 |
2003 |
29.89 |
| 23 |
2002 |
29.44 |
| 24 |
2001 |
29.04 |
| 25 |
2000 |
29.03 |
| 26 |
1999 |
28.60 |
| 27 |
1998 |
28.47 |
| 28 |
1997 |
29.35 |
| 29 |
1996 |
28.87 |
| 30 |
1995 |
29.10 |
| 31 |
1994 |
29.15 |
| 32 |
1993 |
27.71 |
| 33 |
1992 |
26.28 |
| 34 |
1991 |
25.87 |
| 35 |
1979 |
35.83 |
| 36 |
1978 |
34.03 |
| 37 |
1977 |
61.84 |
| 38 |
1976 |
31.21 |
| 39 |
1975 |
28.78 |
| 40 |
1974 |
31.82 |
| 41 |
1973 |
30.21 |
| 42 |
1972 |
28.75 |
| 43 |
1971 |
28.48 |
| 44 |
1970 |
28.25 |
| 45 |
1969 |
28.26 |
| 46 |
1968 |
27.68 |
| 47 |
1967 |
27.74 |
| 48 |
1966 |
26.44 |
| 49 |
1965 |
26.37 |
| 50 |
1964 |
26.77 |
| 51 |
1963 |
26.01 |
| 52 |
1962 |
27.70 |
| 53 |
1961 |
27.68 |
| 54 |
1960 |
28.22 |
