| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1190 |
41.9%
|
| 2 | Desirable | 1238 |
43.6%
|
| 3 | Neither | 405 |
14.3%
|
| 8 | Do not know | 8 |
0.3%
|
| Sysmiss | 9 |