| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 32 |
7.4%
|
| 1 | Once | 86 |
19.8%
|
| 2 | Few | 191 |
43.9%
|
| 3 | Many | 126 |
29%
|
| Sysmiss | 7425 |