| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 57705 |
83.6%
|
| 2 | Some difficulty | 1757 |
2.5%
|
| 3 | A lot of difficulty | 1121 |
1.6%
|
| 4 | Unable to do | 1907 |
2.8%
|
| 5 | DO NOT KNOW | 22 |
0%
|
| 8 | Not applicable | 6448 |
9.3%
|
| 9 | Unspecified | 26 |
0%
|