| Value | Category | Cases | |
|---|---|---|---|
| 0 | 893 |
66.9%
|
|
| 1 | 256 |
19.2%
|
|
| 2 | 142 |
10.6%
|
|
| 3 | 43 |
3.2%
|
|
| Sysmiss | 6 |