| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2369 |
75.1%
|
| 2 | Desirable | 663 |
21%
|
| 3 | Neither | 116 |
3.7%
|
| 8 | Do not know | 7 |
0.2%
|
| Sysmiss | 9 |