| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
1.2%
|
|
| 1 | 11 |
6.4%
|
|
| 2 | 18 |
10.4%
|
|
| 3 | 27 |
15.6%
|
|
| 4 | 19 |
11%
|
|
| 5 | 21 |
12.1%
|
|
| 6 | 75 |
43.4%
|
|
| Sysmiss | 826 |