| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 64869 |
87.1%
|
| 2 | Some difficulty | 1111 |
1.5%
|
| 3 | A lot of difficulty | 198 |
0.3%
|
| 4 | Unable to do | 52 |
0.1%
|
| 5 | Do not know | 11 |
0%
|
| 8 | not applicable | 7632 |
10.3%
|
| 9 | Unspecified | 576 |
0.8%
|