| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
4.4%
|
|
| 1 | 31 |
27.2%
|
|
| 2 | 23 |
20.2%
|
|
| 3 | 25 |
21.9%
|
|
| 4 | 14 |
12.3%
|
|
| 5 | 8 |
7%
|
|
| 6 | 8 |
7%
|
|
| Sysmiss | 136 |