| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 19941 |
98.9%
|
| 2 | Yes - Some difficulty | 162 |
0.8%
|
| 3 | Yes - A lot of difficulty | 46 |
0.2%
|
| 4 | Cannot perform activity at all | 7 |
0%
|
| Sysmiss | 3237 |