| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
2.2%
|
|
| 1 | 12 |
8.8%
|
|
| 2 | 17 |
12.4%
|
|
| 3 | 23 |
16.8%
|
|
| 4 | 23 |
16.8%
|
|
| 5 | 14 |
10.2%
|
|
| 6 | 45 |
32.8%
|
|
| Sysmiss | 862 |