| Value | Category | Cases | |
|---|---|---|---|
| 0 | 169 |
7.6%
|
|
| 1 | 170 |
7.7%
|
|
| 2 | 572 |
25.8%
|
|
| 3 | 990 |
44.7%
|
|
| 4 | 313 |
14.1%
|
|
| Sysmiss | 15 |