| Value | Category | Cases | |
|---|---|---|---|
| 0 | 45 |
23.7%
|
|
| 1 | 96 |
50.5%
|
|
| 2 | 40 |
21.1%
|
|
| 3 | 8 |
4.2%
|
|
| 4 | 1 |
0.5%
|
|
| Sysmiss | 613 |