| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2594 |
90.1%
|
| 2 | Desirable | 249 |
8.6%
|
| 3 | Neither | 32 |
1.1%
|
| 8 | (Do not know) | 5 |
0.2%
|
| Sysmiss | 24 |