| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 701 |
24.7%
|
| 2 | Desirable | 1414 |
49.8%
|
| 3 | Neither | 687 |
24.2%
|
| 8 | Do not know | 39 |
1.4%
|
| Sysmiss | 9 |