| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.3%
|
|
| 1 | 23 |
30.3%
|
|
| 2 | 23 |
30.3%
|
|
| 3 | 18 |
23.7%
|
|
| 4 | 5 |
6.6%
|
|
| 5 | 2 |
2.6%
|
|
| 6 | 3 |
3.9%
|
|
| 9 | 1 |
1.3%
|
|
| Sysmiss | 87 |