| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1526 |
53.8%
|
| 2 | Desirable | 1018 |
35.9%
|
| 3 | Neither | 283 |
10%
|
| 8 | Do not know | 7 |
0.2%
|
| Sysmiss | 16 |