| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 13 |
12.9%
|
| 3 | Few times | 55 |
54.5%
|
| 4 | Many times | 33 |
32.7%
|
| Sysmiss | 19899 |