| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 7.28 |
| 8 | 2014 | 6.87 |
| 9 | 2013 | 6.73 |
| 10 | 2012 | 6.84 |
| 11 | 2011 | 6.90 |
| 12 | 2010 | 7.16 |
| 13 | 2009 | 7.39 |
| 14 | 2008 | 7.54 |
| 15 | 2007 | 7.68 |
| 16 | 2006 | 7.95 |
| 17 | 2005 | 8.27 |
| 18 | 2004 | 8.44 |
| 19 | 2003 | 8.11 |
| 20 | 2002 | 8.02 |
| 21 | 2001 | 7.43 |
| 22 | 2000 | 7.22 |
| 23 | 1999 | 6.89 |
| 24 | 1998 | 5.80 |
| 25 | 1997 | 5.45 |
| 26 | 1996 | 6.15 |
| 27 | 1995 | 7.29 |
| 28 | 1994 | 6.33 |
| 29 | 1993 | 4.63 |
| 30 | 1992 | 4.43 |
| 31 | 1991 | 4.51 |
| 32 | 1990 | 3.69 |
| 33 | 1986 | 9.21 |
| 34 | 1982 | 16.55 |
| 35 | 1979 | 17.87 |
| 36 | 1978 | 17.44 |
| 37 | 1977 | 18.34 |
| 38 | 1976 | 20.02 |
| 39 | 1975 | 21.31 |
| 40 | 1974 | 22.52 |
| 41 | 1973 | 23.95 |
