| Value | Category | Cases | |
|---|---|---|---|
| 0 | 398 |
63.8%
|
|
| 1 | 150 |
24%
|
|
| 2 | 55 |
8.8%
|
|
| 3 | 14 |
2.2%
|
|
| 4 | 5 |
0.8%
|
|
| 5 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 19 |