| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never a proplem | 2237 |
71.5%
|
| 2 | Only an occational problems | 358 |
11.4%
|
| 3 | A frequent problems | 131 |
4.2%
|
| 4 | Away a problems | 404 |
12.9%
|