| Value | Category | Cases | |
|---|---|---|---|
| 0 | 220 |
18.3%
|
|
| 1 | 373 |
31%
|
|
| 2 | 476 |
39.5%
|
|
| 3 | 85 |
7.1%
|
|
| 4 | 50 |
4.2%
|
|
| Sysmiss | 7 |