| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
5.1%
|
|
| 1 | 33 |
55.9%
|
|
| 2 | 16 |
27.1%
|
|
| 3 | 6 |
10.2%
|
|
| 4 | 1 |
1.7%
|
|
| Sysmiss | 126 |