| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
3.5%
|
|
| 1 | 24 |
3.1%
|
|
| 2 | 24 |
3.1%
|
|
| 3 | 39 |
5.1%
|
|
| 4 | 104 |
13.5%
|
|
| 5 | 161 |
21%
|
|
| 6 | 175 |
22.8%
|
|
| 7 | 214 |
27.9%
|
|
| Sysmiss | 37 |