| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 19.76 |
| 8 | 2016 | 18.25 |
| 9 | 2015 | 19.59 |
| 10 | 2014 | 22.21 |
| 11 | 2013 | 28.53 |
| 12 | 2012 | 30.52 |
| 13 | 2011 | 32.46 |
| 14 | 2010 | 32.71 |
| 15 | 2009 | 29.31 |
| 16 | 2008 | 31.66 |
| 17 | 2007 | 33.26 |
| 18 | 2006 | 34.08 |
| 19 | 2005 | 33.89 |
| 20 | 2004 | 33.68 |
| 21 | 2003 | 32.82 |
| 22 | 2002 | 29.11 |
| 23 | 2001 | 28.70 |
| 24 | 2000 | 28.66 |
| 25 | 1999 | 24.60 |
| 26 | 1998 | 24.86 |
| 27 | 1997 | 35.17 |
| 28 | 1996 | 45.66 |
| 29 | 1995 | 37.77 |
| 30 | 1994 | 46.76 |
| 31 | 1993 | 45.52 |
| 32 | 1992 | 45.84 |
| 33 | 1991 | 60.86 |
| 34 | 1990 | 74.56 |
| 35 | 1989 | 70.38 |
| 36 | 1988 | 63.17 |
| 37 | 1987 | 66.08 |
| 38 | 1986 | 66.78 |
| 39 | 1985 | 60.38 |
| 40 | 1984 | 46.24 |
| 41 | 1983 | 67.85 |
| 42 | 1982 | 61.61 |
