| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 50 years | 1007 |
21.7%
|
| 2 | 51 to 55 years | 1949 |
42%
|
| 3 | 56 to 60 years | 1244 |
26.8%
|
| 4 | 61 to 65 years | 336 |
7.2%
|
| 5 | over 65 years | 108 |
2.3%
|