| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
1.4%
|
|
| 1 | 21 |
14.2%
|
|
| 2 | 16 |
10.8%
|
|
| 3 | 44 |
29.7%
|
|
| 4 | 15 |
10.1%
|
|
| 5 | 22 |
14.9%
|
|
| 6 | 27 |
18.2%
|
|
| 8 | 1 |
0.7%
|
|
| Sysmiss | 151 |