| Value | Category | Cases | |
|---|---|---|---|
| 0 | 63 |
77.8%
|
|
| 2 | 1 |
1.2%
|
|
| 3 | 1 |
1.2%
|
|
| 5 | 3 |
3.7%
|
|
| 6 | 1 |
1.2%
|
|
| 7 | 1 |
1.2%
|
|
| 8 | 11 |
13.6%
|
|
| Sysmiss | 31 |