| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 6818 |
9.2%
|
| 2 | Some difficulty | 2542 |
3.4%
|
| 3 | A lot of difficulty | 3372 |
4.5%
|
| 4 | Unable to do | 8858 |
11.9%
|
| 5 | Do not know | 78 |
0.1%
|
| 8 | Not applicable | 52562 |
70.6%
|
| 9 | Unspecified | 219 |
0.3%
|