| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absent Some Days | 1117 |
59.6%
|
| 2 | Never Absent | 243 |
13%
|
| 88 | N.A. | 515 |
27.5%
|
| 99 | 4 | ||
| Sysmiss | 120 |