| Value | Category | Cases | |
|---|---|---|---|
| 0 | 61 |
3.3%
|
|
| 3 | 1661 |
89.5%
|
|
| 4 | 55 |
3%
|
|
| 5 | 61 |
3.3%
|
|
| 6 | 17 |
0.9%
|
|
| Sysmiss | 1078 |