| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 18 |
4.5%
|
| 1 | Once | 41 |
10.3%
|
| 2 | Few | 223 |
55.8%
|
| 3 | Many | 118 |
29.5%
|
| Sysmiss | 7460 |