| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
40%
|
|
| 998 | 98. Don't know | 0 |
0%
|
| 9996 | 96. Not applicable | 0 |
0%
|
| 9998 | 98. Don't know | 3 |
60%
|
| 9999 | 99. Missing | 0 |
0%
|
| Sysmiss | 261 |