| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
1.2%
|
|
| 2 | 12 |
3.7%
|
|
| 3 | 11 |
3.4%
|
|
| 4 | 295 |
90.8%
|
|
| 6 | 1 |
0.3%
|
|
| 9 | 2 |
0.6%
|
|
| Sysmiss | 674 |