| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 31.97 |
| 12 | 2012 | 32.30 |
| 13 | 2011 | 32.95 |
| 14 | 2010 | 29.87 |
| 15 | 2009 | 25.70 |
| 16 | 2008 | 32.54 |
| 17 | 2007 | 23.98 |
| 18 | 2006 | 30.30 |
| 19 | 2005 | 29.40 |
| 20 | 2004 | 27.53 |
| 21 | 2003 | 24.47 |
| 22 | 2002 | 22.24 |
| 23 | 2001 | 22.23 |
| 24 | 2000 | 22.28 |
| 25 | 1999 | 18.53 |
| 26 | 1998 | 13.99 |
| 27 | 1997 | 16.20 |
| 28 | 1992 | 10.76 |
| 29 | 1991 | 16.26 |
| 30 | 1981 | 37.46 |
| 31 | 1979 | 21.76 |
| 32 | 1978 | 24.64 |
| 33 | 1977 | 20.03 |
| 34 | 1976 | 14.89 |
| 35 | 1975 | 16.66 |
| 36 | 1974 | 18.25 |
| 37 | 1973 | 13.01 |
| 38 | 1972 | 9.43 |
| 39 | 1971 | 8.81 |
| 40 | 1970 | 8.59 |
