| Value | Category | Cases | |
|---|---|---|---|
| 0 | 191 |
27.6%
|
|
| 1 | 62 |
9%
|
|
| 2 | 28 |
4.1%
|
|
| 3 | 37 |
5.4%
|
|
| 4 | 266 |
38.5%
|
|
| 5 | 63 |
9.1%
|
|
| 6 | 44 |
6.4%
|
|
| Sysmiss | 7 |