| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. a very big problem | 176 |
4%
|
| 2 | 2. a big problem | 280 |
6.4%
|
| 3 | 3. a small problem | 814 |
18.6%
|
| 4 | 4. not a problem | 3108 |
71%
|
| Sysmiss | 160 |