| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of them | 226 |
4.2%
|
| 2 | About half of them | 417 |
7.8%
|
| 3 | Some of them | 2511 |
47%
|
| 4 | None of them | 2185 |
40.9%
|
| Sysmiss | 70 |