| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 16 |
76.2%
|
| 3 | Few times | 4 |
19%
|
| 4 | Many times | 1 |
4.8%
|
| Sysmiss | 19979 |