| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 19.87 |
| 8 | 2015 | 19.44 |
| 9 | 2014 | 20.35 |
| 10 | 2013 | 20.63 |
| 11 | 2012 | 21.97 |
| 12 | 2011 | 21.45 |
| 13 | 2010 | 21.09 |
| 14 | 2009 | 21.54 |
| 15 | 2008 | 24.07 |
| 16 | 2007 | 21.73 |
| 17 | 2006 | 19.40 |
| 18 | 2005 | 18.99 |
| 19 | 2004 | 17.12 |
| 20 | 2003 | 16.86 |
| 21 | 2002 | 17.11 |
| 22 | 1999 | 17.88 |
| 23 | 1998 | 17.23 |
| 24 | 1997 | 19.41 |
| 25 | 1995 | 18.35 |
| 26 | 1994 | 18.85 |
| 27 | 1993 | 20.25 |
| 28 | 1992 | 20.65 |
| 29 | 1991 | 18.42 |
| 30 | 1990 | 18.68 |
