| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33103 |
80.4%
|
|
| Some difficulty | 144 |
0.3%
|
|
| A lot of difficulty | 186 |
0.5%
|
|
| Cannot do at all | 75 |
0.2%
|
|
| Don't know | 0 |
0%
|
|
| Refuse to answer | 0 |
0%
|
|
| Missing value | 7666 |
18.6%
|