| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 6344 |
6.8%
|
| 2 | Some difficulty | 3651 |
3.9%
|
| 3 | A lot of difficulty | 4307 |
4.6%
|
| 4 | Unable to do | 12226 |
13%
|
| 5 | Do not know | 60 |
0.1%
|
| 8 | Not applicable | 65295 |
69.6%
|
| 9 | Unspecified | 1866 |
2%
|