| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many. | 367 |
7.1%
|
| 2 | Some. | 1790 |
34.4%
|
| 3 | None. | 1153 |
22.2%
|
| 4 | 1886 |
36.3%
|
|
| Sysmiss | 148 |