| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2228 |
77.3%
|
| 2 | Desirable | 541 |
18.8%
|
| 3 | Neither | 102 |
3.5%
|
| 8 | (Do not know) | 10 |
0.3%
|
| Sysmiss | 23 |