| Value | Category | Cases | |
|---|---|---|---|
| 1 | no, can't do it | 162 |
0.5%
|
| 2 | yes, can do with a lot of difficulty | 89 |
0.3%
|
| 3 | yes, can do with some difficulty | 105 |
0.3%
|
| 4 | yes, can do with no difficulty | 30188 |
98.5%
|
| 8 | don't know | 105 |
0.3%
|
| Sysmiss | 13965 |