| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2013 | 22.18 |
| 8 | 2012 | 22.13 |
| 9 | 2010 | 17.29 |
| 10 | 2009 | 15.64 |
| 11 | 2008 | 15.64 |
| 12 | 2007 | 17.19 |
| 13 | 2006 | 15.47 |
| 14 | 2005 | 13.26 |
| 15 | 2004 | 11.09 |
| 16 | 2003 | 10.86 |
| 17 | 2002 | 9.45 |
| 18 | 2001 | 9.82 |
| 19 | 2000 | 9.58 |
| 20 | 1999 | 6.33 |
| 21 | 1997 | 6.82 |
| 22 | 1996 | 6.54 |
| 23 | 1995 | 5.61 |
| 24 | 1994 | 6.57 |
| 25 | 1993 | 6.36 |
| 26 | 1987 | 6.56 |
| 27 | 1986 | 7.51 |
| 28 | 1985 | 10.94 |
| 29 | 1983 | 8.30 |
| 30 | 1981 | 8.59 |
| 31 | 1980 | 8.81 |
| 32 | 1979 | 6.23 |
| 33 | 1978 | 5.82 |
| 34 | 1977 | 6.65 |
