| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 840 |
50.2%
|
| 2 | 1-2 | 353 |
21.1%
|
| 3 | 3-4 | 152 |
9.1%
|
| 4 | 5-6 | 77 |
4.6%
|
| 5 | 7 | 252 |
15.1%
|
| Sysmiss | 6 |