| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 and less | 255 |
11.7%
|
| 2 | 13-36 | 590 |
27.1%
|
| 3 | 37-60 | 491 |
22.6%
|
| 4 | 61-120 | 520 |
23.9%
|
| 5 | over 120 | 320 |
14.7%
|
| Sysmiss | 69 |