| Value | Category | Cases | |
|---|---|---|---|
| 0 | 25 |
1.8%
|
|
| 1 | 17 |
1.2%
|
|
| 2 | 54 |
3.9%
|
|
| 3 | 266 |
19.1%
|
|
| 4 | 1034 |
74.1%
|
|
| Sysmiss | 174 |