| Value | Category | Cases | |
|---|---|---|---|
| 0 | 566 |
36.8%
|
|
| 1 | 459 |
29.9%
|
|
| 2 | 368 |
24%
|
|
| 3 | 111 |
7.2%
|
|
| 4 | 23 |
1.5%
|
|
| 5 | 7 |
0.5%
|
|
| 7 | 2 |
0.1%
|
|
| Sysmiss | 1456 |