| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 29.11 |
| 8 | 2016 | 28.91 |
| 9 | 2015 | 28.79 |
| 10 | 2014 | 28.62 |
| 11 | 2013 | 28.46 |
| 12 | 2012 | 28.29 |
| 13 | 2011 | 28.10 |
| 14 | 2010 | 27.97 |
| 15 | 2009 | 27.40 |
| 16 | 2008 | 27.13 |
| 17 | 2007 | 26.90 |
| 18 | 2006 | 26.71 |
| 19 | 2005 | 26.49 |
| 20 | 2004 | 25.88 |
| 21 | 2003 | 25.60 |
| 22 | 2002 | 25.44 |
| 23 | 2001 | 25.43 |
| 24 | 2000 | 25.24 |
| 25 | 1999 | 25.10 |
| 26 | 1998 | 24.98 |
| 27 | 1997 | 24.59 |
| 28 | 1996 | 24.65 |
| 29 | 1995 | 24.52 |
| 30 | 1994 | 24.49 |
| 31 | 1993 | 24.32 |
| 32 | 1992 | 24.15 |
| 33 | 1991 | 24.05 |
| 34 | 1990 | 24.01 |
| 35 | 1985 | 22.29 |
| 36 | 1980 | 21.90 |
| 37 | 1978 | 21.65 |
| 38 | 1965 | 23.62 |
| 39 | 1958 | 20.37 |
| 40 | 1952 | 17.96 |
| 41 | 1949 | 17.85 |
