| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 597 |
47.7%
|
| 2 | 1-2 | 302 |
24.1%
|
| 3 | 3-4 | 142 |
11.3%
|
| 4 | 5-6 | 54 |
4.3%
|
| 5 | 7 | 157 |
12.5%
|
| Sysmiss | 9 |