| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most preferred | 16 |
19%
|
| 2 | 21 |
25%
|
|
| 3 | 20 |
23.8%
|
|
| 4 | least preferred | 27 |
32.1%
|
| Sysmiss | 344 |