| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 6835 |
9.4%
|
| 2 | Some difficulty | 2520 |
3.5%
|
| 3 | A lot of difficulty | 3273 |
4.5%
|
| 4 | Unable to do | 7911 |
10.9%
|
| 5 | Do not know | 105 |
0.1%
|
| 8 | Not applicable | 51270 |
70.6%
|
| 9 | Unspecified | 688 |
0.9%
|