| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 218 |
58.9%
|
| 2 | Once | 99 |
26.8%
|
| 3 | Few times | 51 |
13.8%
|
| 4 | Many times | 2 |
0.5%
|
| Sysmiss | 19630 |