| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 697 |
24.6%
|
| 2 | Desirable | 1371 |
48.3%
|
| 3 | Neither | 729 |
25.7%
|
| 8 | Do not know | 42 |
1.5%
|
| Sysmiss | 11 |