| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 4.18 |
| 12 | 2013 | 2.96 |
| 13 | 2012 | 2.38 |
| 14 | 2011 | 3.58 |
| 15 | 2010 | 4.41 |
| 16 | 2009 | 5.05 |
| 17 | 2008 | 7.78 |
| 18 | 2007 | 15.75 |
| 19 | 2006 | 16.28 |
| 20 | 2005 | 14.94 |
| 21 | 2004 | 23.91 |
| 22 | 2003 | 18.72 |
| 23 | 2002 | 16.57 |
| 24 | 2001 | 13.36 |
| 25 | 2000 | 11.63 |
| 26 | 1999 | 9.58 |
| 27 | 1998 | 10.43 |
| 28 | 1997 | 11.29 |
| 29 | 1981 | 4.57 |
| 30 | 1979 | 5.43 |
| 31 | 1978 | 15.89 |
| 32 | 1977 | 18.59 |
| 33 | 1976 | 15.02 |
| 34 | 1975 | 2.60 |
| 35 | 1974 | 3.32 |
| 36 | 1973 | 5.64 |
| 37 | 1972 | 4.25 |
| 38 | 1971 | 3.24 |
| 39 | 1970 | 3.15 |
