| Value | Category | Cases | |
|---|---|---|---|
| 1 | no, can't do it | 90 |
0.2%
|
| 2 | yes, can do with a lot of difficulty | 776 |
1.7%
|
| 3 | yes, can do with some difficulty | 3254 |
7.3%
|
| 4 | yes, can do with no difficulty | 40424 |
90.7%
|
| 8 | don't know | 24 |
0.1%
|
| Sysmiss | 46 |