| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 36 |
53.7%
|
| 1 | Once | 11 |
16.4%
|
| 2 | Few | 19 |
28.4%
|
| 3 | Many | 1 |
1.5%
|
| Sysmiss | 7793 |