| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 55 |
23.6%
|
| 3 | Few times | 108 |
46.4%
|
| 4 | Many times | 70 |
30%
|
| Sysmiss | 19767 |