| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 36.17 |
| 8 | 2017 | 39.09 |
| 9 | 2016 | 37.74 |
| 10 | 2015 | 33.18 |
| 11 | 2014 | 36.57 |
| 12 | 2013 | 40.32 |
| 13 | 2012 | 37.03 |
| 14 | 2011 | 34.33 |
| 15 | 2010 | 38.96 |
| 16 | 2009 | 34.12 |
| 17 | 2008 | 28.06 |
| 18 | 2007 | 28.64 |
| 19 | 2006 | 27.67 |
| 20 | 2005 | 32.62 |
| 21 | 2004 | 26.96 |
| 22 | 2003 | 26.64 |
| 23 | 2002 | 26.64 |
| 24 | 2001 | 25.05 |
| 25 | 2000 | 18.46 |
| 26 | 1999 | 24.34 |
| 27 | 1998 | 26.41 |
| 28 | 1997 | 27.93 |
| 29 | 1996 | 31.31 |
| 30 | 1995 | 28.94 |
| 31 | 1994 | 28.94 |
| 32 | 1993 | 29.29 |
| 33 | 1992 | 31.03 |
| 34 | 1991 | 31.22 |
| 35 | 1990 | 31.94 |
| 36 | 1989 | 35.13 |
| 37 | 1988 | 35.92 |
| 38 | 1978 | 74.02 |
| 39 | 1977 | 77.55 |
| 40 | 1976 | 81.34 |
| 41 | 1975 | 88.43 |
| 42 | 1974 | 91.61 |
| 43 | 1973 | 92.26 |
| 44 | 1972 | 96.30 |
| 45 | 1971 | 96.38 |
| 46 | 1970 | 98.10 |
