| Value | Category | Cases | |
|---|---|---|---|
| 1 | No ,no difficult | 41098 |
97.8%
|
| 2 | yes some difficult | 681 |
1.6%
|
| 3 | Yes alot of difficult | 217 |
0.5%
|
| 4 | Cannot Walk it at all | 37 |
0.1%
|
| Sysmiss | 6990 |