| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 86280 |
92%
|
| 2 | Some difficulty | 2347 |
2.5%
|
| 3 | A lot of difficulty | 813 |
0.9%
|
| 4 | Unable to do | 454 |
0.5%
|
| 5 | Do not know | 30 |
0%
|
| 6 | Cannot yet be determined | 3331 |
3.6%
|
| 9 | Unspecified | 494 |
0.5%
|