| Value | Category | Cases | |
|---|---|---|---|
| 1 | Befor 1950 | 1 |
0.5%
|
| 2 | (1950 -1959) | 0 |
0%
|
| 3 | (1960 - 1969) | 2 |
1%
|
| 4 | (1970 - 1979) | 18 |
8.9%
|
| 5 | (1980 - 1989) | 118 |
58.1%
|
| 6 | (1990 - 1999) | 40 |
19.7%
|
| 7 | After 2000 | 24 |
11.8%
|