| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 31.43 |
| 12 | 2013 | 28.45 |
| 13 | 2012 | 27.85 |
| 14 | 2011 | 27.07 |
| 15 | 2010 | 27.20 |
| 16 | 2009 | 26.75 |
| 17 | 2008 | 26.63 |
| 18 | 2007 | 27.32 |
| 19 | 2006 | 27.70 |
| 20 | 2005 | 29.00 |
| 21 | 2004 | 27.74 |
| 22 | 2003 | 27.32 |
| 23 | 2002 | 26.92 |
| 24 | 2001 | 27.10 |
| 25 | 2000 | 28.09 |
| 26 | 1999 | 28.92 |
| 27 | 1998 | 28.83 |
| 28 | 1997 | 29.27 |
| 29 | 1996 | 29.43 |
| 30 | 1995 | 29.50 |
| 31 | 1989 | 27.91 |
| 32 | 1988 | 28.42 |
| 33 | 1987 | 27.31 |
| 34 | 1986 | 26.83 |
| 35 | 1985 | 25.88 |
| 36 | 1984 | 24.83 |
| 37 | 1981 | 23.38 |
| 38 | 1980 | 23.44 |
| 39 | 1979 | 22.39 |
| 40 | 1978 | 22.08 |
| 41 | 1977 | 21.83 |
| 42 | 1976 | 22.55 |
| 43 | 1975 | 23.53 |
| 44 | 1974 | 25.28 |
| 45 | 1973 | 23.88 |
| 46 | 1972 | 22.48 |
