| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 46198 |
98.7%
|
| 2 | Yes - some difficulty | 571 |
1.2%
|
| 3 | Yes - a lot of difficulty | 48 |
0.1%
|
| 4 | Cannot perform activity at all | 8 |
0%
|
| Sysmiss | 9393 |