| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1036 |
32.8%
|
| 2 | Desirable | 1712 |
54.3%
|
| 3 | Neither | 388 |
12.3%
|
| 8 | Do not know | 18 |
0.6%
|
| Sysmiss | 10 |