| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 60 |
24.2%
|
| 2 | Once | 53 |
21.4%
|
| 3 | 2 times | 62 |
25%
|
| 4 | 3 times | 33 |
13.3%
|
| 5 | 4+ times | 24 |
9.7%
|
| 98 | Don’t know | 16 |
6.5%
|
| Sysmiss | 2 |