| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 8 |
18.6%
|
| 2 | A few times | 23 |
53.5%
|
| 3 | Many times | 12 |
27.9%
|
| 4 | Other | 0 |
0%
|
| Sysmiss | 461 |