| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 1410 |
32.2%
|
| 2 | 2. a big problem | 1931 |
44.1%
|
| 3 | 3. a small problem | 922 |
21.1%
|
| 4 | 4. not a problem | 115 |
2.6%
|
| Sysmiss | 160 |