| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 17692 |
95.3%
|
| 2 | Yes - Some difficulty | 681 |
3.7%
|
| 3 | Yes - A lot of difficulty | 167 |
0.9%
|
| 4 | Cannot perform activity at all | 33 |
0.2%
|
| Sysmiss | 291 |