| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 34 |
9.2%
|
| 1 | Once | 74 |
20%
|
| 2 | Few | 120 |
32.4%
|
| 3 | Many | 142 |
38.4%
|
| Sysmiss | 7490 |