| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2537 |
89.2%
|
| 2 | Desirable | 268 |
9.4%
|
| 3 | Neither | 34 |
1.2%
|
| 8 | Do not know | 4 |
0.1%
|
| Sysmiss | 7 |