| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
1.4%
|
|
| 3 | 15 |
6.8%
|
|
| 4 | 20 |
9.1%
|
|
| 5 | 19 |
8.7%
|
|
| 6 | 30 |
13.7%
|
|
| 7 | 131 |
59.8%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 87 |