| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 51.58 |
| 8 | 2017 | 52.20 |
| 9 | 2016 | 51.54 |
| 10 | 2015 | 49.81 |
| 11 | 2014 | 40.56 |
| 12 | 2013 | 39.58 |
| 13 | 2012 | 36.17 |
| 14 | 2011 | 32.54 |
| 15 | 2010 | 36.55 |
| 16 | 2009 | 35.60 |
| 17 | 2008 | 34.05 |
| 18 | 2007 | 33.13 |
| 19 | 2006 | 32.77 |
| 20 | 2005 | 31.55 |
| 21 | 2004 | 31.64 |
| 22 | 2003 | 29.50 |
| 23 | 2002 | 32.86 |
| 24 | 2001 | 31.79 |
| 25 | 2000 | 28.95 |
| 26 | 1999 | 27.57 |
| 27 | 1998 | 27.41 |
| 28 | 1997 | 31.11 |
| 29 | 1996 | 30.40 |
| 30 | 1995 | 28.85 |
| 31 | 1994 | 23.47 |
| 32 | 1993 | 30.45 |
| 33 | 1992 | 33.30 |
| 34 | 1991 | 31.07 |
| 35 | 1990 | 33.19 |
| 36 | 1989 | 30.84 |
| 37 | 1988 | 31.56 |
| 38 | 1987 | 22.46 |
| 39 | 1986 | 20.52 |
| 40 | 1985 | 17.53 |
| 41 | 1980 | 14.44 |
| 42 | 1978 | 16.98 |
| 43 | 1965 | 19.48 |
| 44 | 1950 | 22.94 |
