| Value | Category | Cases | |
|---|---|---|---|
| 0 | 37 |
80.4%
|
|
| 1 | 1 |
2.2%
|
|
| 2 | 3 |
6.5%
|
|
| 3 | 2 |
4.3%
|
|
| 8 | 1 |
2.2%
|
|
| 9 | 2 |
4.3%
|
|
| Sysmiss | 68 |