| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3328 |
33.3%
|
| 2 | 1-2 | 2636 |
26.4%
|
| 3 | 3-4 | 1289 |
12.9%
|
| 4 | 5-6 | 604 |
6.1%
|
| 5 | 7 | 2126 |
21.3%
|
| Sysmiss | 9 |