| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 |
46.7%
|
|
| 1 | 25 |
33.3%
|
|
| 2 | 10 |
13.3%
|
|
| 3 | 2 |
2.7%
|
|
| 4 | 1 |
1.3%
|
|
| 5 | 1 |
1.3%
|
|
| 8 | 1 |
1.3%
|
|
| Sysmiss | 23 |