| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
11.8%
|
|
| 1 | 47 |
55.3%
|
|
| 2 | 18 |
21.2%
|
|
| 3 | 7 |
8.2%
|
|
| 4 | 2 |
2.4%
|
|
| 7 | 1 |
1.2%
|
|
| Sysmiss | 573 |