| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 19214 |
94.9%
|
| 2 | Yes - Some difficulty | 816 |
4%
|
| 3 | Yes - A lot of difficulty | 192 |
0.9%
|
| 4 | Cannot perform activity at all | 30 |
0.1%
|
| Sysmiss | 3533 |