| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 86128 |
91.9%
|
| 2 | Some difficulty | 5565 |
5.9%
|
| 3 | A lot of difficulty | 851 |
0.9%
|
| 4 | Unable to do | 225 |
0.2%
|
| 5 | Do not know | 25 |
0%
|
| 6 | Cannot yet be determined | 503 |
0.5%
|
| 9 | Unspecified | 452 |
0.5%
|