| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.4%
|
|
| 2 | 11 |
1.5%
|
|
| 3 | 660 |
90.4%
|
|
| 4 | 41 |
5.6%
|
|
| 5 | 3 |
0.4%
|
|
| 6 | 12 |
1.6%
|
|
| Sysmiss | 388 |