| Value | Category | Cases | |
|---|---|---|---|
| 1 | 557 |
90.3%
|
|
| 6 | 33 |
5.3%
|
|
| 7 | 1 |
0.2%
|
|
| 8 | 2 |
0.3%
|
|
| 9 | 24 |
3.9%
|
|
| Sysmiss | 1 |