| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 56496 |
79.4%
|
| 2 | Some difficulty | 2549 |
3.6%
|
| 3 | A lot of difficulty | 1729 |
2.4%
|
| 4 | Unable to do | 2601 |
3.7%
|
| 5 | Do not know | 41 |
0.1%
|
| 8 | Not applicable | 6723 |
9.5%
|
| 9 | Unspecified | 998 |
1.4%
|