| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 931 |
32.7%
|
| 2 | Desirable | 1470 |
51.7%
|
| 3 | Neither | 423 |
14.9%
|
| 8 | Do not know | 19 |
0.7%
|
| Sysmiss | 7 |