| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 28.07 |
| 8 | 2016 | 27.22 |
| 9 | 2015 | 27.98 |
| 10 | 2014 | 26.12 |
| 11 | 2013 | 25.19 |
| 12 | 2012 | 24.65 |
| 13 | 2011 | 24.18 |
| 14 | 2010 | 22.16 |
| 15 | 2009 | 23.52 |
| 16 | 2008 | 23.20 |
| 17 | 2007 | 21.76 |
| 18 | 2006 | 20.22 |
| 19 | 2005 | 21.52 |
| 20 | 2004 | 22.01 |
| 21 | 2003 | 21.60 |
| 22 | 2002 | 24.87 |
| 23 | 2001 | 23.15 |
| 24 | 2000 | 26.66 |
| 25 | 1999 | 22.99 |
| 26 | 1998 | 25.35 |
| 27 | 1997 | 25.39 |
| 28 | 1995 | 22.51 |
| 29 | 1994 | 22.66 |
| 30 | 1993 | 25.44 |
| 31 | 1980 | 35.20 |
| 32 | 1976 | 37.30 |
