| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 16 |
48.5%
|
| 3 | Few times | 10 |
30.3%
|
| 4 | Many times | 7 |
21.2%
|
| Sysmiss | 19967 |