| 序号 | 时间 (年) |
数据 (-) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 18.18 |
| 8 | 2015 | 17.76 |
| 9 | 2014 | 17.01 |
| 10 | 2013 | 18.35 |
| 11 | 2012 | 21.15 |
| 12 | 2011 | 27.51 |
| 13 | 2010 | 31.74 |
| 14 | 2009 | 35.74 |
| 15 | 2008 | 33.80 |
| 16 | 2007 | 31.89 |
| 17 | 2006 | 29.77 |
| 18 | 2005 | 25.21 |
| 19 | 2004 | 21.36 |
| 20 | 2003 | 17.98 |
| 21 | 2002 | 18.86 |
| 22 | 2001 | 15.82 |
| 23 | 2000 | 17.92 |
| 24 | 1999 | 21.33 |
| 25 | 1998 | 21.79 |
| 26 | 1997 | 20.98 |
| 27 | 1996 | 19.30 |
| 28 | 1995 | 17.50 |
| 29 | 1990 | 10.10 |
