| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 15 |
26.3%
|
| 2 | Twice | 14 |
24.6%
|
| 3 | Thrice or more | 28 |
49.1%
|
| 98 | Don't Know | 0 |
0%
|
| Sysmiss | 1482 |