| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 55 |
33.3%
|
| 2 | A few times | 90 |
54.5%
|
| 3 | Many times | 20 |
12.1%
|
| 4 | Other | 0 |
0%
|
| Sysmiss | 339 |