| 序号 | 时间 (年) |
数据 (-) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 20.20 |
| 8 | 2015 | 21.60 |
| 9 | 2014 | 26.18 |
| 10 | 2013 | 35.40 |
| 11 | 2012 | 39.28 |
| 12 | 2011 | 35.33 |
| 13 | 2010 | 29.58 |
| 14 | 2009 | 32.03 |
| 15 | 2008 | 27.78 |
| 16 | 2007 | 26.61 |
| 17 | 2006 | 24.59 |
| 18 | 2005 | 24.33 |
| 19 | 2004 | 21.88 |
| 20 | 2003 | 21.92 |
| 21 | 2002 | 25.22 |
| 22 | 2001 | 23.36 |
| 23 | 2000 | 20.96 |
| 24 | 1999 | 19.94 |
| 25 | 1998 | 18.18 |
| 26 | 1997 | 17.20 |
| 27 | 1996 | 15.93 |
| 28 | 1995 | 14.17 |
| 29 | 1990 | 9.36 |
| 30 | 1985 | 6.97 |
| 31 | 1980 | 8.07 |
| 32 | 1978 | 9.65 |
| 33 | 1975 | 5.08 |
| 34 | 1970 | 4.71 |
| 35 | 1965 | 10.46 |
| 36 | 1962 | 7.36 |
| 37 | 1957 | 12.07 |
| 38 | 1952 | 11.98 |
