| Value | Category | Cases | |
|---|---|---|---|
| 0 | 62 |
40%
|
|
| 1 | Once | 16 |
10.3%
|
| 2 | Few times | 45 |
29%
|
| 3 | Many times | 30 |
19.4%
|
| 4 | 2 |
1.3%
|
|
| Sysmiss | 666 |