| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 44 |
14.7%
|
| 2 | Once | 83 |
27.7%
|
| 3 | 2 times | 84 |
28%
|
| 4 | 3 times | 55 |
18.3%
|
| 5 | 4+ times | 29 |
9.7%
|
| 98 | Don’t know | 5 |
1.7%
|
| Sysmiss | 2 |