| Value | Category | Cases | |
|---|---|---|---|
| 0 | 131 |
55.7%
|
|
| 1 | 68 |
28.9%
|
|
| 2 | 23 |
9.8%
|
|
| 3 | 13 |
5.5%
|
|
| Sysmiss | 255 |