| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 6073 |
97.8%
|
| 2 | Yes - some difficulty | 120 |
1.9%
|
| 3 | Yes - a lot of difficulty | 12 |
0.2%
|
| 4 | Cannot perform activity at all | 2 |
0%
|
| Sysmiss | 1475 |