| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 12149 |
16.7%
|
| 2 | Some difficulty | 2497 |
3.4%
|
| 3 | A lot of difficulty | 2163 |
3%
|
| 4 | Unable to do | 3803 |
5.2%
|
| 5 | Do not know | 35 |
0%
|
| 8 | Not applicable | 51270 |
70.6%
|
| 9 | Unspecified | 685 |
0.9%
|