| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 23.09 |
| 8 | 2017 | 19.24 |
| 9 | 2016 | 21.15 |
| 10 | 2015 | 21.77 |
| 11 | 2014 | 26.63 |
| 12 | 2013 | 27.09 |
| 13 | 2012 | 30.17 |
| 14 | 2011 | 34.64 |
| 15 | 2010 | 30.91 |
| 16 | 2009 | 31.97 |
| 17 | 2008 | 30.99 |
| 18 | 2007 | 30.57 |
| 19 | 2006 | 32.29 |
| 20 | 2005 | 31.18 |
| 21 | 2004 | 28.96 |
| 22 | 2003 | 33.52 |
| 23 | 2002 | 23.87 |
| 24 | 2001 | 24.32 |
| 25 | 2000 | 27.11 |
| 26 | 1999 | 26.05 |
| 27 | 1998 | 24.23 |
| 28 | 1997 | 15.23 |
| 29 | 1996 | 17.37 |
| 30 | 1995 | 17.46 |
| 31 | 1994 | 23.03 |
| 32 | 1993 | 16.69 |
| 33 | 1992 | 13.94 |
| 34 | 1991 | 11.76 |
| 35 | 1990 | 11.14 |
| 36 | 1989 | 12.23 |
| 37 | 1988 | 14.90 |
| 38 | 1987 | 16.91 |
| 39 | 1986 | 13.95 |
| 40 | 1985 | 13.13 |
| 41 | 1980 | 13.31 |
| 42 | 1978 | 11.56 |
| 43 | 1965 | 10.29 |
| 44 | 1950 | 2.19 |
