| Value | Category | Cases | |
|---|---|---|---|
| 0 | 250 |
75.5%
|
|
| 1 | 69 |
20.8%
|
|
| 2 | 7 |
2.1%
|
|
| 3 | 3 |
0.9%
|
|
| 4 | 2 |
0.6%
|
|
| Sysmiss | 22 |