| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 25 |
7.4%
|
| 1 | Once | 45 |
13.3%
|
| 2 | Few | 170 |
50.1%
|
| 3 | Many | 99 |
29.2%
|
| Sysmiss | 7521 |