| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 974 |
30.9%
|
| 2 | Desirable | 1757 |
55.7%
|
| 3 | Neither | 399 |
12.6%
|
| 8 | Do not know | 26 |
0.8%
|
| Sysmiss | 8 |