| Value | Category | Cases | |
|---|---|---|---|
| 0 | 613 |
35.9%
|
|
| 1 | 769 |
45%
|
|
| 2 | 227 |
13.3%
|
|
| 3 | 69 |
4%
|
|
| 4 | 21 |
1.2%
|
|
| 5 | 5 |
0.3%
|
|
| 6 | 5 |
0.3%
|
|
| Sysmiss | 4469 |