| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 19838 |
97.9%
|
| 2 | Yes - Some difficulty | 321 |
1.6%
|
| 3 | Yes - A lot of difficulty | 87 |
0.4%
|
| 4 | Cannot perform activity at all | 24 |
0.1%
|
| Sysmiss | 3515 |