| Value | Category | Cases | |
|---|---|---|---|
| 0 | 108 |
37.5%
|
|
| 1 | 54 |
18.8%
|
|
| 2 | 79 |
27.4%
|
|
| 3 | 35 |
12.2%
|
|
| 4 | 11 |
3.8%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 173 |