| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
50.20 |
| 8 |
2017 |
49.69 |
| 9 |
2016 |
49.50 |
| 10 |
2015 |
49.38 |
| 11 |
2014 |
49.31 |
| 12 |
2013 |
49.28 |
| 13 |
2012 |
49.25 |
| 14 |
2011 |
49.26 |
| 15 |
2010 |
49.24 |
| 16 |
2009 |
49.21 |
| 17 |
2008 |
49.17 |
| 18 |
2007 |
49.20 |
| 19 |
2006 |
49.24 |
| 20 |
2005 |
49.25 |
| 21 |
2004 |
49.22 |
| 22 |
2003 |
49.26 |
| 23 |
2002 |
49.33 |
| 24 |
2001 |
49.35 |
| 25 |
2000 |
49.40 |
| 26 |
1999 |
49.49 |
| 27 |
1998 |
49.59 |
| 28 |
1997 |
49.67 |
| 29 |
1996 |
49.80 |
| 30 |
1995 |
49.90 |
| 31 |
1994 |
50.04 |
| 32 |
1993 |
50.19 |
| 33 |
1992 |
50.35 |
| 34 |
1991 |
50.54 |
| 35 |
1990 |
50.73 |
| 36 |
1989 |
50.86 |
| 37 |
1988 |
51.02 |
| 38 |
1987 |
51.13 |
| 39 |
1986 |
51.26 |
| 40 |
1985 |
51.31 |
| 41 |
1984 |
51.41 |
| 42 |
1983 |
51.48 |
| 43 |
1982 |
51.56 |
| 44 |
1981 |
51.63 |
| 45 |
1980 |
51.70 |
| 46 |
1979 |
51.40 |
| 47 |
1978 |
51.15 |
| 48 |
1975 |
51.18 |
| 49 |
1970 |
51.39 |
| 50 |
1965 |
51.62 |
| 51 |
1962 |
52.20 |
| 52 |
1957 |
51.60 |
| 53 |
1952 |
51.83 |
| 54 |
1949 |
51.83 |
