| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 9993 | nothing done/not taken to HF | 4 |
0.3%
|
| 9994 | mother not working | 0 |
0%
|
| 9995 | miss | 0 |
0%
|
| 9999 | na | 1265 |
99.5%
|
| Sysmiss | 3365 |