| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 664 |
37.2%
|
| 2 | 1-2 | 463 |
25.9%
|
| 3 | 3-4 | 201 |
11.3%
|
| 4 | 5-6 | 121 |
6.8%
|
| 5 | 7 | 336 |
18.8%
|
| Sysmiss | 11 |