| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 7943 |
89.7%
|
| 2 | With a little difficulty | 418 |
4.7%
|
| 3 | With a lot of difficulty | 196 |
2.2%
|
| 4 | Not at all | 115 |
1.3%
|
| 5 | Not applicable | 184 |
2.1%
|
| Sysmiss | 76 |