| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 38 |
50.7%
|
| 3 | Few times | 19 |
25.3%
|
| 4 | Many times | 18 |
24%
|
| Sysmiss | 19925 |