| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 12 |
8.1%
|
| 1 | Once | 21 |
14.1%
|
| 2 | Few | 67 |
45%
|
| 3 | Many | 49 |
32.9%
|
| Sysmiss | 7711 |