| Value | Category | Cases | |
|---|---|---|---|
| 0 | 148 |
16.5%
|
|
| 1 | 107 |
11.9%
|
|
| 2 | 66 |
7.3%
|
|
| 3 | 73 |
8.1%
|
|
| 4 | 38 |
4.2%
|
|
| 5 | 67 |
7.5%
|
|
| 6 | 65 |
7.2%
|
|
| 7 | 335 |
37.3%
|
|
| Sysmiss | 923 |