| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 12227 |
95.8%
|
| 2 | Yes - some difficulty | 490 |
3.8%
|
| 3 | Yes - a lot of difficulty | 44 |
0.3%
|
| 4 | Cannot perform activity at all | 6 |
0%
|
| Sysmiss | 2830 |