| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
34.9%
|
|
| 1 | 1 |
2.3%
|
|
| 2 | 7 |
16.3%
|
|
| 3 | 3 |
7%
|
|
| 4 | 6 |
14%
|
|
| 8 | 4 |
9.3%
|
|
| 10 | 1 |
2.3%
|
|
| 12 | 3 |
7%
|
|
| 15 | 1 |
2.3%
|
|
| 20 | 2 |
4.7%
|
|
| Sysmiss | 38 |