| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 201 |
4.6%
|
| 2 | 2. a big problem | 516 |
11.8%
|
| 3 | 3. a small problem | 1880 |
42.9%
|
| 4 | 4. not a problem | 1781 |
40.7%
|
| Sysmiss | 160 |