| Value | Category | Cases | |
|---|---|---|---|
| 0 | 29 |
4.2%
|
|
| 1 | 64 |
9.2%
|
|
| 2 | 184 |
26.4%
|
|
| 3 | 142 |
20.4%
|
|
| 4 | 44 |
6.3%
|
|
| 5 | 75 |
10.8%
|
|
| 6 | 36 |
5.2%
|
|
| 7 | 123 |
17.6%
|
|
| Sysmiss | 554 |