| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 39 |
19.6%
|
| -5 | Not available | 0 |
0%
|
| 1 | March | 153 |
76.9%
|
| 96 | Other | 7 |
3.5%
|
| Sysmiss | 1 |