| 序号 |
时间(年) |
数据(单位：%) |
| 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 |
