| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
51.90 |
| 8 |
2018 |
52.61 |
| 9 |
2017 |
52.57 |
| 10 |
2016 |
52.32 |
| 11 |
2015 |
52.32 |
| 12 |
2014 |
52.41 |
| 13 |
2013 |
52.84 |
| 14 |
2012 |
52.52 |
| 15 |
2011 |
51.88 |
| 16 |
2010 |
52.37 |
| 17 |
2009 |
51.79 |
| 18 |
2008 |
50.72 |
| 19 |
2007 |
49.65 |
| 20 |
2006 |
50.05 |
| 21 |
2005 |
50.19 |
| 22 |
2004 |
50.24 |
| 23 |
2003 |
51.19 |
| 24 |
2002 |
51.54 |
| 25 |
2000 |
52.31 |
| 26 |
1999 |
52.07 |
| 27 |
1997 |
52.66 |
| 28 |
1996 |
53.48 |
| 29 |
1995 |
53.06 |
| 30 |
1994 |
53.31 |
| 31 |
1993 |
53.66 |
| 32 |
1992 |
54.13 |
| 33 |
1991 |
54.78 |
| 34 |
1990 |
54.18 |
| 35 |
1989 |
54.20 |
| 36 |
1988 |
54.79 |
| 37 |
1987 |
56.09 |
| 38 |
1986 |
56.41 |
| 39 |
1985 |
57.27 |
| 40 |
1984 |
56.51 |
| 41 |
1983 |
57.60 |
| 42 |
1982 |
57.08 |
| 43 |
1981 |
56.28 |
| 44 |
1980 |
54.71 |
| 45 |
1979 |
54.18 |
| 46 |
1978 |
53.04 |
| 47 |
1977 |
53.29 |
| 48 |
1976 |
52.41 |
| 49 |
1974 |
51.31 |
| 50 |
1973 |
51.92 |
| 51 |
1972 |
51.53 |
| 52 |
1971 |
51.57 |
| 53 |
1970 |
51.14 |
