| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2022 |
|
| 2 |
2021 |
|
| 3 |
2020 |
|
| 4 |
2019 |
|
| 5 |
2018 |
|
| 6 |
2017 |
|
| 7 |
2016 |
3.30 |
| 8 |
2015 |
3.42 |
| 9 |
2014 |
3.31 |
| 10 |
2013 |
3.31 |
| 11 |
2012 |
3.48 |
| 12 |
2011 |
3.50 |
| 13 |
2010 |
3.52 |
| 14 |
2009 |
3.26 |
| 15 |
2008 |
3.13 |
| 16 |
2007 |
3.27 |
| 17 |
2006 |
1.97 |
| 18 |
2005 |
1.92 |
| 19 |
2004 |
1.59 |
| 20 |
2003 |
1.77 |
| 21 |
2002 |
1.75 |
| 22 |
2001 |
1.76 |
| 23 |
1988 |
2.34 |
| 24 |
1987 |
4.21 |
| 25 |
1986 |
4.21 |
| 26 |
1985 |
3.88 |
| 27 |
1984 |
5.21 |
| 28 |
1983 |
4.24 |
| 29 |
1982 |
3.52 |
| 30 |
1981 |
3.83 |
| 31 |
1980 |
3.27 |
| 32 |
1979 |
3.51 |
| 33 |
1978 |
3.32 |
| 34 |
1977 |
3.24 |
| 35 |
1976 |
3.82 |
| 36 |
1975 |
3.92 |
| 37 |
1974 |
4.95 |
| 38 |
1973 |
5.01 |
| 39 |
1972 |
4.57 |
