| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost none | 119 |
49.2%
|
| 2 | 1/4 | 85 |
35.1%
|
| 3 | 1/2 | 22 |
9.1%
|
| 4 | 3/4 | 3 |
1.2%
|
| 5 | Almost all | 13 |
5.4%
|
| Sysmiss | 108 |