| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 27 |
22.7%
|
| 2 | Some difficulty | 59 |
49.6%
|
| 3 | A lot of difficulty | 26 |
21.8%
|
| 4 | Unable | 2 |
1.7%
|
| 6 | Not Applicable | 5 |
4.2%
|
| Sysmiss | 1307 |