| Value | Category | Cases | |
|---|---|---|---|
| 1 | a.No difficulty | 10492 |
45.3%
|
| 2 | b.Some difficulty | 568 |
2.5%
|
| 3 | c.A lot of difficulty | 134 |
0.6%
|
| 4 | d.Cannot do at all | 18 |
0.1%
|
| 5 | e.refused | 2 |
0%
|
| 6 | f.don't know | 1 |
0%
|
| Missing value | 11923 |
51.5%
|