| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1029 |
35.7%
|
| 2 | Desirable | 1572 |
54.5%
|
| 3 | Neither | 269 |
9.3%
|
| 8 | (Do not know) | 15 |
0.5%
|
| Sysmiss | 19 |