| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many | 79 |
3.5%
|
| 2 | A few | 669 |
29.4%
|
| 3 | None | 1519 |
66.8%
|
| 6 | 8 |
0.4%
|
|
| Sysmiss | 10602 |