| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
6.2%
|
|
| 2 | 250 |
76.9%
|
|
| 3 | 9 |
2.8%
|
|
| 4 | 46 |
14.2%
|
|
| Sysmiss | 1 |