| Value | Category | Cases | |
|---|---|---|---|
| 0 | 29 |
55.8%
|
|
| 1 | 14 |
26.9%
|
|
| 2 | 6 |
11.5%
|
|
| 3 | 1 |
1.9%
|
|
| 4 | 2 |
3.8%
|
|
| Sysmiss | 2219 |