| Value | Category | Cases | |
|---|---|---|---|
| 0 | 239 |
10.4%
|
|
| 1 | 513 |
22.3%
|
|
| 2 | 511 |
22.2%
|
|
| 3 | 559 |
24.3%
|
|
| 4 | 475 |
20.7%
|
|
| Sysmiss | 35 |