| Value | Category | Cases | |
|---|---|---|---|
| 1 | No ,no difficult | 41039 |
98.2%
|
| 2 | yes some difficult | 534 |
1.3%
|
| 3 | Yes alot of difficult | 162 |
0.4%
|
| 4 | Cannot Walk it at all | 47 |
0.1%
|
| Sysmiss | 7025 |