| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 45882 |
98%
|
| 2 | Yes - some difficulty | 824 |
1.8%
|
| 3 | Yes - a lot of difficulty | 102 |
0.2%
|
| 4 | Cannot perform activity at all | 13 |
0%
|
| Sysmiss | 9397 |