| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1991 |
94.9%
|
|
| 1 | severe problem | 21 |
1%
|
| 2 | modest problem | 10 |
0.5%
|
| 3 | minor problem | 11 |
0.5%
|
| 4 | no problem | 60 |
2.9%
|
| 5 | dont know | 6 |
0.3%
|