| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 14175 |
19%
|
| 2 | Some difficulty | 2451 |
3.3%
|
| 3 | A lot of difficulty | 1748 |
2.3%
|
| 4 | Unable to do | 3245 |
4.4%
|
| 5 | Do not know | 30 |
0%
|
| 8 | Not applicable | 52562 |
70.6%
|
| 9 | Unspecified | 238 |
0.3%
|