| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 45455 |
97.1%
|
| 2 | Yes - some difficulty | 1145 |
2.4%
|
| 3 | Yes - a lot of difficulty | 192 |
0.4%
|
| 4 | Cannot perform activity at all | 32 |
0.1%
|
| Sysmiss | 9394 |