| Value | Category | Cases | |
|---|---|---|---|
| 3 | Control | 86 |
71.7%
|
| 4 | Unlimited | 23 |
19.2%
|
| 98 | Don't know | 0 |
0%
|
| 99 | NA/Refused | 11 |
9.2%
|
| Sysmiss | 1538 |