| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 140 |
3.2%
|
| 2 | 2. a big problem | 400 |
9.1%
|
| 3 | 3. a small problem | 2115 |
48.3%
|
| 4 | 4. not a problem | 1723 |
39.4%
|
| Sysmiss | 160 |