| Value | Category | Cases | |
|---|---|---|---|
| 1 | Before 1990 | 806 |
44.4%
|
| 2 | 1950-1959 | 569 |
31.3%
|
| 3 | 1960-1969 | 328 |
18.1%
|
| 4 | 1970-1979 | 89 |
4.9%
|
| 5 | 1980-1989 | 25 |
1.4%
|
| 6 | 1990-1999 | 0 | |
| 7 | 2000-2009 | 0 | |
| 8 | 2010-2019 | 0 | |
| 9 | 2020+ | 0 | |
| z | Not applicable | 0 |