| Value | Category | Cases | |
|---|---|---|---|
| 1 | 17 |
42.5%
|
|
| 2 | 11 |
27.5%
|
|
| 3 | 11 |
27.5%
|
|
| 4 | 1 |
2.5%
|
|
| Sysmiss | 540 |