| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 48.65 |
| 8 | 2017 | 48.29 |
| 9 | 2016 | 47.63 |
| 10 | 2015 | 41.25 |
| 11 | 2014 | 40.65 |
| 12 | 2013 | 40.02 |
| 13 | 2012 | 39.40 |
| 14 | 2011 | 38.37 |
| 15 | 2010 | 33.51 |
| 16 | 2009 | 28.96 |
| 17 | 2008 | 27.86 |
| 18 | 2007 | 27.11 |
| 19 | 2006 | 26.43 |
| 20 | 2005 | 25.79 |
| 21 | 2004 | 24.99 |
| 22 | 2003 | 24.09 |
| 23 | 2002 | 23.17 |
| 24 | 2001 | 22.26 |
| 25 | 2000 | 21.38 |
| 26 | 1999 | 20.67 |
| 27 | 1998 | 20.07 |
| 28 | 1997 | 19.54 |
| 29 | 1996 | 19.09 |
| 30 | 1995 | 18.64 |
| 31 | 1994 | 18.26 |
| 32 | 1993 | 17.76 |
| 33 | 1992 | 17.35 |
| 34 | 1991 | 16.99 |
| 35 | 1990 | 16.88 |
| 36 | 1989 | 16.97 |
| 37 | 1988 | 16.81 |
| 38 | 1987 | 16.70 |
| 39 | 1986 | 16.54 |
| 40 | 1985 | 16.52 |
| 41 | 1980 | 14.01 |
| 42 | 1978 | 12.56 |
| 43 | 1975 | 12.04 |
| 44 | 1970 | 13.10 |
| 45 | 1965 | 14.67 |
| 46 | 1962 | 14.93 |
| 47 | 1957 | 16.17 |
