| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 15 |
8.1%
|
| 2 | Once | 16 |
8.6%
|
| 3 | 2 times | 41 |
22.2%
|
| 4 | 3 times | 28 |
15.1%
|
| 5 | 4+ times | 65 |
35.1%
|
| 98 | Don’t know | 20 |
10.8%
|
| Sysmiss | 15 |