Value | Category | Cases | |
---|---|---|---|
1949 | 13 |
6.6%
|
|
1950 | 12 |
6.1%
|
|
1960 | 14 |
7.1%
|
|
1970 | 33 |
16.8%
|
|
1980 | 18 |
9.2%
|
|
1990 | 53 |
27%
|
|
2000 | 46 |
23.5%
|
|
2010 | 7 |
3.6%
|
|
Sysmiss | 4 |