| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 121 |
2.8%
|
| 2 | 2. a big problem | 216 |
4.9%
|
| 3 | 3. a small problem | 1255 |
28.7%
|
| 4 | 4. not a problem | 2786 |
63.6%
|
| Sysmiss | 160 |