| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2022 |
|
| 2 |
2021 |
|
| 3 |
2020 |
|
| 4 |
2019 |
|
| 5 |
2018 |
|
| 6 |
2017 |
|
| 7 |
2016 |
3.56 |
| 8 |
2015 |
5.41 |
| 9 |
2014 |
2.95 |
| 10 |
2013 |
3.32 |
| 11 |
2012 |
1.90 |
| 12 |
2011 |
2.30 |
| 13 |
2010 |
2.71 |
| 14 |
2009 |
2.90 |
| 15 |
2008 |
2.37 |
| 16 |
2007 |
2.24 |
| 17 |
2006 |
1.90 |
| 18 |
2005 |
2.24 |
| 19 |
2004 |
1.68 |
| 20 |
1981 |
10.83 |
| 21 |
1980 |
5.51 |
| 22 |
1979 |
6.15 |
| 23 |
1978 |
8.12 |
| 24 |
1977 |
9.81 |
| 25 |
1976 |
11.16 |
| 26 |
1975 |
11.67 |
| 27 |
1974 |
12.49 |
| 28 |
1973 |
12.26 |
| 29 |
1972 |
10.64 |
| 30 |
1971 |
10.52 |
| 31 |
1970 |
11.17 |
| 32 |
1969 |
11.38 |
| 33 |
1968 |
9.22 |
| 34 |
1967 |
8.43 |
| 35 |
1966 |
8.52 |
| 36 |
1965 |
8.87 |
| 37 |
1964 |
7.96 |
| 38 |
1963 |
8.25 |
| 39 |
1962 |
6.91 |
| 40 |
1961 |
6.85 |
| 41 |
1960 |
7.05 |
