| Value | Category | Cases | |
|---|---|---|---|
| 0 | 159 |
7.2%
|
|
| 1 | 167 |
7.5%
|
|
| 2 | 547 |
24.6%
|
|
| 3 | 1350 |
60.7%
|
|
| Sysmiss | 6 |