| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, very easily | 108 |
18.2%
|
| 2 | Yes, fairly easily | 46 |
7.8%
|
| 3 | Yes, with a little difficulty | 54 |
9.1%
|
| 4 | Yes, but with great difficulty | 81 |
13.7%
|
| 5 | No, not at all | 297 |
50.2%
|
| 8 | Unknown | 6 |
1%
|
| Sysmiss | 552 |