| Value | Category | Cases | |
|---|---|---|---|
| 0 | 40 |
37.7%
|
|
| 1 | 18 |
17%
|
|
| 2 | 22 |
20.8%
|
|
| 3 | 10 |
9.4%
|
|
| 4 | 4 |
3.8%
|
|
| 5 | 1 |
0.9%
|
|
| 7 | 11 |
10.4%
|
|
| Sysmiss | 199 |