| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 579 |
13.1%
|
| 2 | About half of them | 421 |
9.6%
|
| 3 | Some of them | 1725 |
39.2%
|
| 4 | None of them | 1680 |
38.1%
|
| Sysmiss | 199 |