| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
39%
|
|
| 1 | 27 |
45.8%
|
|
| 2 | 6 |
10.2%
|
|
| 3 | 2 |
3.4%
|
|
| 6 | 1 |
1.7%
|
|
| Sysmiss | 174 |