| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 241 |
5.5%
|
| 2 | 2. a big problem | 199 |
4.5%
|
| 3 | 3. a small problem | 1916 |
43.8%
|
| 4 | 4. not a problem | 2022 |
46.2%
|
| Sysmiss | 160 |