| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 949 |
30.1%
|
| 2 | Desirable | 1806 |
57.3%
|
| 3 | Neither | 387 |
12.3%
|
| 8 | Do not know | 10 |
0.3%
|
| Sysmiss | 12 |