| 序号 | 时间 (年) |
数据 (年) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 18.92 |
| 8 | 2016 | 19.00 |
| 9 | 2015 | 18.91 |
| 10 | 2014 | 18.37 |
| 11 | 2013 | 18.25 |
| 12 | 2012 | 18.13 |
| 13 | 2011 | 18.11 |
| 14 | 2010 | 17.93 |
| 15 | 2009 | 17.49 |
| 16 | 2008 | 17.26 |
| 17 | 2007 | 17.49 |
| 18 | 2006 | 17.45 |
| 19 | 2005 | 17.56 |
| 20 | 2004 | 17.59 |
| 21 | 2003 | 17.23 |
| 22 | 2002 | 17.02 |
| 23 | 2001 | 16.83 |
| 24 | 2000 | 16.72 |
| 25 | 1999 | 16.33 |
| 26 | 1998 | 16.49 |
| 27 | 1997 | 13.99 |
| 28 | 1996 | 13.91 |
| 29 | 1995 | 13.86 |
| 30 | 1994 | 13.76 |
| 31 | 1993 | 13.41 |
| 32 | 1992 | 12.94 |
| 33 | 1991 | 12.74 |
| 34 | 1990 | 12.68 |
