| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 38.56 |
| 8 | 2018 | 37.98 |
| 9 | 2017 | 37.09 |
| 10 | 2016 | 35.41 |
| 11 | 2015 | 31.70 |
| 12 | 2014 | 30.52 |
| 13 | 2013 | 27.06 |
| 14 | 2012 | 25.93 |
| 15 | 2011 | 30.06 |
| 16 | 2010 | 31.76 |
| 17 | 2009 | 32.80 |
| 18 | 2008 | 32.21 |
| 19 | 2007 | 33.34 |
| 20 | 2006 | 33.51 |
| 21 | 2005 | 33.36 |
| 22 | 2004 | 36.50 |
| 23 | 2003 | 36.41 |
| 24 | 2002 | 42.54 |
| 25 | 2001 | 42.30 |
| 26 | 2000 | 39.36 |
| 27 | 1999 | 36.58 |
| 28 | 1998 | 33.82 |
| 29 | 1997 | 31.85 |
| 30 | 1996 | 30.83 |
| 31 | 1995 | 27.83 |
| 32 | 1994 | 25.64 |
| 33 | 1993 | 25.96 |
| 34 | 1992 | 27.55 |
| 35 | 1991 | 26.19 |
| 36 | 1990 | 24.80 |
| 37 | 1989 | 25.11 |
| 38 | 1988 | 24.45 |
| 39 | 1987 | 15.11 |
| 40 | 1986 | 15.63 |
| 41 | 1985 | 14.97 |
| 42 | 1980 | 12.56 |
| 43 | 1978 | 9.70 |
| 44 | 1965 | 18.12 |
| 45 | 1950 | 4.05 |
