| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 34.05 |
| 8 | 2014 | 34.31 |
| 9 | 2013 | 36.40 |
| 10 | 2012 | 38.56 |
| 11 | 2011 | 40.82 |
| 12 | 2010 | 43.26 |
| 13 | 2009 | 45.74 |
| 14 | 2008 | 47.54 |
| 15 | 2007 | 49.32 |
| 16 | 2006 | 51.18 |
| 17 | 2005 | 52.96 |
| 18 | 2004 | 54.74 |
| 19 | 2003 | 54.59 |
| 20 | 2002 | 54.43 |
| 21 | 2001 | 53.48 |
| 22 | 2000 | 53.02 |
| 23 | 1999 | 52.66 |
| 24 | 1998 | 52.53 |
| 25 | 1997 | 52.30 |
| 26 | 1996 | 51.85 |
| 27 | 1995 | 51.36 |
| 28 | 1994 | 50.87 |
| 29 | 1993 | 51.04 |
| 30 | 1992 | 51.22 |
| 31 | 1991 | 51.20 |
