| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3 |
1.3%
|
| 2 | No | 28 |
12.3%
|
| 3 | 14 |
6.2%
|
|
| 4 | 179 |
78.9%
|
|
| Sysmiss | 3 |