| Value | Category | Cases | |
|---|---|---|---|
| 0 | 152 |
23.5%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 56 |
8.7%
|
|
| 4 | 91 |
14.1%
|
|
| 5 | 296 |
45.7%
|
|
| 7 | 8 |
1.2%
|
|
| 8 | 43 |
6.6%
|
|
| Sysmiss | 1252 |