| Value | Category | Cases | |
|---|---|---|---|
| 0 | 432 |
80%
|
|
| 1 | 61 |
11.3%
|
|
| 2 | 31 |
5.7%
|
|
| 3 | 12 |
2.2%
|
|
| 4 | 4 |
0.7%
|
|
| Sysmiss | 21 |