Value | Category | Cases | |
---|---|---|---|
1 | No, no difficulty | 5119 |
87.6%
|
2 | Yes, some difficulty | 602 |
10.3%
|
3 | Yes, a lot of difficulty | 108 |
1.8%
|
4 | Yes, cannot see at all | 12 |
0.2%
|
Sysmiss | 755 |