| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 32.73 |
| 8 | 2018 | 31.24 |
| 9 | 2017 | 28.82 |
| 10 | 2016 | 28.51 |
| 11 | 2015 | 28.19 |
| 12 | 2014 | 31.50 |
| 13 | 2013 | 27.88 |
| 14 | 2012 | 21.66 |
| 15 | 2011 | 14.94 |
| 16 | 2010 | 14.90 |
| 17 | 2009 | 15.21 |
| 18 | 2008 | 14.81 |
| 19 | 2007 | 14.60 |
| 20 | 2006 | 14.26 |
| 21 | 2005 | 14.06 |
| 22 | 2004 | 14.19 |
| 23 | 2003 | 14.03 |
| 24 | 2002 | 13.76 |
| 25 | 2001 | 13.62 |
| 26 | 2000 | 13.43 |
| 27 | 1999 | 13.15 |
| 28 | 1998 | 12.74 |
| 29 | 1997 | 12.51 |
| 30 | 1996 | 12.18 |
| 31 | 1995 | 11.84 |
| 32 | 1994 | 11.57 |
| 33 | 1993 | 11.20 |
| 34 | 1992 | 10.90 |
| 35 | 1991 | 11.07 |
| 36 | 1990 | 10.39 |
| 37 | 1985 | 9.61 |
| 38 | 1980 | 9.07 |
| 39 | 1978 | 9.16 |
| 40 | 1965 | 8.51 |
| 41 | 1958 | 11.54 |
| 42 | 1952 | 8.95 |
| 43 | 1949 | 8.90 |
