| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 55.52 |
| 8 | 2018 | 54.47 |
| 9 | 2017 | 53.07 |
| 10 | 2016 | 51.63 |
| 11 | 2015 | 50.30 |
| 12 | 2014 | 49.78 |
| 13 | 2013 | 48.51 |
| 14 | 2012 | 47.44 |
| 15 | 2011 | 46.22 |
| 16 | 2010 | 44.72 |
| 17 | 2009 | 41.81 |
| 18 | 2008 | 40.97 |
| 19 | 2007 | 40.07 |
| 20 | 2006 | 39.26 |
| 21 | 2005 | 39.25 |
| 22 | 2004 | 38.50 |
| 23 | 2003 | 38.16 |
| 24 | 2002 | 37.65 |
| 25 | 2001 | 36.33 |
| 26 | 2000 | 34.83 |
| 27 | 1999 | 34.57 |
| 28 | 1998 | 34.63 |
| 29 | 1997 | 34.69 |
| 30 | 1996 | 34.19 |
| 31 | 1995 | 33.90 |
| 32 | 1994 | 33.95 |
| 33 | 1993 | 33.86 |
| 34 | 1992 | 34.13 |
| 35 | 1991 | 34.13 |
| 36 | 1990 | 34.23 |
| 37 | 1989 | 34.23 |
| 38 | 1988 | 33.82 |
| 39 | 1987 | 33.42 |
| 40 | 1986 | 33.42 |
| 41 | 1985 | 33.81 |
| 42 | 1984 | 32.03 |
| 43 | 1983 | 19.68 |
| 44 | 1982 | 20.32 |
| 45 | 1981 | 20.12 |
| 46 | 1980 | 19.82 |
| 47 | 1979 | 19.10 |
| 48 | 1978 | 18.59 |
| 49 | 1975 | 18.67 |
| 50 | 1970 | 17.33 |
| 51 | 1965 | 16.49 |
| 52 | 1957 | 14.66 |
| 53 | 1954 | 6.35 |
| 54 | 1952 | 5.19 |
