| Value | Category | Cases | |
|---|---|---|---|
| 0 | 476 |
55.6%
|
|
| 1 | 261 |
30.5%
|
|
| 2 | 103 |
12%
|
|
| 3 | 13 |
1.5%
|
|
| 4 | 3 |
0.4%
|
|
| Sysmiss | 758 |