| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | 271 |
44.1%
|
|
| 2 | 174 |
28.3%
|
|
| 3 | 114 |
18.5%
|
|
| 4 | 54 |
8.8%
|
|
| Sysmiss | 11 |