| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 996 |
35%
|
| 2 | Desirable | 1397 |
49.1%
|
| 3 | Neither | 417 |
14.7%
|
| 8 | Do not know | 35 |
1.2%
|
| Sysmiss | 5 |