| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 56 |
81.2%
|
| 1 | Once | 3 |
4.3%
|
| 2 | Few | 9 |
13%
|
| 3 | Many | 1 |
1.4%
|
| Sysmiss | 7791 |