| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
23.5%
|
|
| 1 | 31 |
26.1%
|
|
| 2 | 23 |
19.3%
|
|
| 3 | 19 |
16%
|
|
| 4 | 10 |
8.4%
|
|
| 5 | 7 |
5.9%
|
|
| 6 | 1 |
0.8%
|
|
| Sysmiss | 1 |