| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 30.40 |
| 8 | 2017 | 29.70 |
| 9 | 2016 | 29.36 |
| 10 | 2015 | 28.82 |
| 11 | 2014 | 28.45 |
| 12 | 2013 | 27.68 |
| 13 | 2012 | 26.45 |
| 14 | 2011 | 24.51 |
| 15 | 2010 | 22.70 |
| 16 | 2009 | 22.22 |
| 17 | 2008 | 20.90 |
| 18 | 2007 | 27.90 |
| 19 | 2006 | 22.00 |
| 20 | 2005 | 21.10 |
| 21 | 2004 | 22.01 |
| 22 | 2003 | 21.73 |
| 23 | 2002 | 22.18 |
| 24 | 2001 | 21.95 |
| 25 | 2000 | 21.55 |
| 26 | 1999 | 21.75 |
| 27 | 1998 | 18.82 |
| 28 | 1995 | 16.25 |
| 29 | 1994 | 15.98 |
| 30 | 1993 | 15.77 |
| 31 | 1992 | 13.69 |
| 32 | 1990 | 9.32 |
| 33 | 1985 | 8.64 |
| 34 | 1980 | 6.15 |
| 35 | 1978 | 5.25 |
| 36 | 1975 | 6.27 |
| 37 | 1970 | 6.72 |
| 38 | 1957 | 6.00 |
| 39 | 1952 | 4.92 |
