| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2419 |
85.1%
|
| 2 | Desirable | 342 |
12%
|
| 3 | Neither | 77 |
2.7%
|
| 8 | Do not know | 5 |
0.2%
|
| Sysmiss | 7 |