| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1991 |
94.9%
|
|
| 1 | severe problem | 26 |
1.2%
|
| 2 | modest problem | 10 |
0.5%
|
| 3 | minor problem | 12 |
0.6%
|
| 4 | no problem | 47 |
2.2%
|
| 5 | dont know | 13 |
0.6%
|