| Value | Category | Cases | |
|---|---|---|---|
| 1 | 00 to 06 | 3224 |
49.4%
|
| 2 | 07 to 12 | 1593 |
24.4%
|
| 3 | 13 or more | 1706 |
26.2%
|
| Sysmiss | 77 |