Value | Category | Cases | |
---|---|---|---|
1 | 1990-1959 | 31 |
13.7%
|
2 | 1960-1979 | 47 |
20.7%
|
3 | 1980-1989 | 71 |
31.3%
|
4 | After 1990 | 78 |
34.4%
|