| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 19097 |
94.8%
|
| 2 | Yes - Some difficulty | 854 |
4.2%
|
| 3 | Yes - A lot of difficulty | 165 |
0.8%
|
| 4 | Cannot perform activity at all | 35 |
0.2%
|
| Sysmiss | 3242 |