| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1190 |
31.1%
|
| 2 | 1-2 | 931 |
24.4%
|
| 3 | 3-4 | 621 |
16.2%
|
| 4 | 5-6 | 347 |
9.1%
|
| 5 | 7 | 733 |
19.2%
|
| Sysmiss | 13 |