| Value | Category | Cases | |
|---|---|---|---|
| 0 | 79 |
6.8%
|
|
| 1 | 33 |
2.9%
|
|
| 2 | 55 |
4.8%
|
|
| 3 | 64 |
5.5%
|
|
| 4 | 50 |
4.3%
|
|
| 5 | 444 |
38.4%
|
|
| 6 | 308 |
26.6%
|
|
| 7 | 123 |
10.6%
|
|
| Sysmiss | 1 |