Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 1914 |
78.2%
|
2 | Some difficulty | 401 |
16.4%
|
3 | A lot of difficulty | 118 |
4.8%
|
4 | Cannot see at all | 1 |
0%
|
9 | No response | 15 |
0.6%
|
Sysmiss | 1576 |