| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 24.14 |
| 8 | 2016 | 22.87 |
| 9 | 2015 | 24.55 |
| 10 | 2014 | 23.31 |
| 11 | 2013 | 18.35 |
| 12 | 2012 | 13.66 |
| 13 | 2011 | 13.37 |
| 14 | 2010 | 12.00 |
| 15 | 2009 | 12.41 |
| 16 | 2008 | 12.68 |
| 17 | 2007 | 13.10 |
| 18 | 2006 | 12.60 |
| 19 | 2005 | 15.19 |
| 20 | 2004 | 14.32 |
| 21 | 2003 | 15.02 |
| 22 | 2002 | 16.30 |
| 23 | 2001 | 18.00 |
| 24 | 2000 | 18.40 |
| 25 | 1999 | 19.89 |
| 26 | 1998 | 20.89 |
| 27 | 1997 | 19.54 |
| 28 | 1977 | 18.27 |
| 29 | 1973 | 21.13 |
| 30 | 1972 | 24.03 |
| 31 | 1971 | 27.27 |
| 32 | 1970 | 29.99 |
| 33 | 1969 | 31.59 |
| 34 | 1968 | 38.48 |
| 35 | 1967 | 43.44 |
