| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 165 |
56.1%
|
| 2 | Once | 42 |
14.3%
|
| 3 | 2 times | 39 |
13.3%
|
| 4 | 3 times | 21 |
7.1%
|
| 5 | 4+ times | 16 |
5.4%
|
| 98 | Don’t know | 11 |
3.7%
|
| Sysmiss | 3 |