| Value | Category | Cases | |
|---|---|---|---|
| 0 | 64 |
17.8%
|
|
| 1 | 264 |
73.5%
|
|
| 2 | 29 |
8.1%
|
|
| 3 | 2 |
0.6%
|
|
| Sysmiss | 239 |