| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2019 |
|
| 2 |
2018 |
|
| 3 |
2017 |
|
| 4 |
2016 |
|
| 5 |
2015 |
|
| 6 |
2014 |
|
| 7 |
2013 |
|
| 8 |
2012 |
|
| 9 |
2011 |
|
| 10 |
2010 |
|
| 11 |
2009 |
22.48 |
| 12 |
2008 |
19.40 |
| 13 |
2007 |
18.82 |
| 14 |
2006 |
16.90 |
| 15 |
2005 |
19.72 |
| 16 |
1991 |
14.35 |
| 17 |
1990 |
19.12 |
| 18 |
1989 |
17.10 |
| 19 |
1988 |
17.02 |
| 20 |
1987 |
17.88 |
| 21 |
1986 |
16.98 |
| 22 |
1985 |
17.92 |
| 23 |
1984 |
16.65 |
| 24 |
1983 |
15.99 |
| 25 |
1982 |
16.91 |
| 26 |
1981 |
17.91 |
| 27 |
1980 |
15.36 |
| 28 |
1979 |
14.80 |
| 29 |
1978 |
14.38 |
| 30 |
1977 |
14.38 |
| 31 |
1976 |
14.23 |
| 32 |
1975 |
13.12 |
| 33 |
1974 |
11.32 |
| 34 |
1973 |
9.21 |
| 35 |
1972 |
8.03 |
| 36 |
1971 |
6.76 |
| 37 |
1970 |
7.29 |
| 38 |
1969 |
6.18 |
| 39 |
1968 |
5.72 |
| 40 |
1967 |
5.37 |
| 41 |
1966 |
4.73 |
| 42 |
1965 |
3.66 |
| 43 |
1964 |
4.63 |
| 44 |
1963 |
6.59 |
| 45 |
1962 |
6.88 |
