| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 32385 |
91%
|
| 2 | Some difficulty | 2746 |
7.7%
|
| 3 | A lot of difficulty | 329 |
0.9%
|
| 4 | Cannot remember things at all | 127 |
0.4%
|
| 9 | No response | 10 |
0%
|
| Sysmiss | 1455 |