| Value | Category | Cases | |
|---|---|---|---|
| 0 | 437 |
55.3%
|
|
| 1 | 217 |
27.5%
|
|
| 2 | 64 |
8.1%
|
|
| 3 | 72 |
9.1%
|
|
| Sysmiss | 905 |