| Value | Category | Cases | |
|---|---|---|---|
| 0 | 237 |
8.2%
|
|
| 1 | 154 |
5.3%
|
|
| 2 | 256 |
8.9%
|
|
| 3 | 2233 |
77.5%
|
|
| Sysmiss | 37 |