| Value | Category | Cases | |
|---|---|---|---|
| 0 | 495 |
65.6%
|
|
| 1 | 187 |
24.8%
|
|
| 2 | 54 |
7.2%
|
|
| 3 | 10 |
1.3%
|
|
| 4 | 7 |
0.9%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 2692 |