| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost none | 23 |
39%
|
| 2 | 1/4 | 21 |
35.6%
|
| 3 | 1/2 | 9 |
15.3%
|
| 4 | 3/4 | 2 |
3.4%
|
| 5 | Almost all | 4 |
6.8%
|
| Sysmiss | 45 |