| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 85 |
6.6%
|
| 1 | Once | 173 |
13.4%
|
| 2 | Few | 583 |
45.2%
|
| 3 | Many | 449 |
34.8%
|
| Sysmiss | 6570 |