| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 520 |
32.9%
|
| 2 | 1-2 | 449 |
28.4%
|
| 3 | 3-4 | 208 |
13.1%
|
| 4 | 5-6 | 108 |
6.8%
|
| 5 | 7 | 297 |
18.8%
|
| Sysmiss | 15 |