| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 46784 |
65.8%
|
| 2 | Some difficulty | 4105 |
5.8%
|
| 3 | A lot of difficulty | 4212 |
5.9%
|
| 4 | Unable to do | 8244 |
11.6%
|
| 5 | Do not know | 103 |
0.1%
|
| 8 | Not applicable | 6723 |
9.5%
|
| 9 | Unspecified | 966 |
1.4%
|