| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 97 |
5.4%
|
| 2 | 1 | 186 |
10.3%
|
| 3 | 2 | 391 |
21.7%
|
| 4 | 3 | 464 |
25.8%
|
| 5 | 4 | 398 |
22.1%
|
| 6 | 5 | 155 |
8.6%
|
| 7 | 6 | 80 |
4.4%
|
| 8 | 7 | 30 |
1.7%
|
| Sysmiss | 74 |