| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most preferred | 12 |
16.2%
|
| 2 | 18 |
24.3%
|
|
| 3 | 21 |
28.4%
|
|
| 4 | least preferred | 23 |
31.1%
|
| Sysmiss | 354 |