| Value | Category | Cases | |
|---|---|---|---|
| 1 | 8 |
2.5%
|
|
| 2 | 6 |
1.8%
|
|
| 3 | 151 |
46.5%
|
|
| 4 | 160 |
49.2%
|
|
| Sysmiss | 1 |