| 序号 | 时间 (年) |
数据 (人) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 12.41 |
| 8 | 2014 | 12.35 |
| 9 | 2013 | 12.73 |
| 10 | 2012 | 13.28 |
| 11 | 2011 | 13.54 |
| 12 | 2010 | 13.56 |
| 13 | 2009 | 13.74 |
| 14 | 2008 | 14.26 |
| 15 | 2007 | 14.88 |
| 16 | 2006 | 15.73 |
| 17 | 2005 | 16.17 |
| 18 | 2004 | 16.44 |
| 19 | 2003 | 16.02 |
| 20 | 2002 | 16.12 |
| 21 | 2001 | 16.07 |
| 22 | 2000 | 16.05 |
| 23 | 1999 | 15.95 |
| 24 | 1998 | 15.47 |
| 25 | 1997 | 14.61 |
| 26 | 1996 | 13.23 |
| 27 | 1995 | 12.42 |
| 28 | 1990 | 11.34 |
| 29 | 1985 | 15.28 |
| 30 | 1980 | 16.39 |
| 31 | 1978 | 21.91 |
| 32 | 1975 | 21.61 |
| 33 | 1965 | 16.20 |
| 34 | 1962 | 15.77 |
| 35 | 1957 | 21.70 |
| 36 | 1952 | 16.42 |
