| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 19.67 |
| 8 | 2015 | 20.70 |
| 9 | 2014 | 23.17 |
| 10 | 2013 | 23.55 |
| 11 | 2012 | 27.87 |
| 12 | 2011 | 22.17 |
| 13 | 2010 | 20.45 |
| 14 | 2009 | 19.91 |
| 15 | 2008 | 25.27 |
| 16 | 2007 | 22.14 |
| 17 | 2006 | 24.99 |
| 18 | 2005 | 23.06 |
| 19 | 2004 | 21.11 |
| 20 | 2003 | 15.63 |
| 21 | 2002 | 14.38 |
| 22 | 2001 | 17.74 |
| 23 | 2000 | 16.52 |
| 24 | 1999 | 8.94 |
| 25 | 1998 | 6.74 |
| 26 | 1997 | 8.18 |
| 27 | 1977 | 7.63 |
| 28 | 1973 | 4.79 |
| 29 | 1972 | 5.51 |
| 30 | 1971 | 5.66 |
| 31 | 1970 | 5.92 |
| 32 | 1969 | 5.99 |
| 33 | 1968 | 6.10 |
| 34 | 1967 | 6.18 |
