| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2005 |
69.7%
|
| 2 | Desirable | 717 |
24.9%
|
| 3 | Neither | 147 |
5.1%
|
| 8 | (Do not know) | 7 |
0.2%
|
| Sysmiss | 28 |