| Value | Category | Cases | |
|---|---|---|---|
| -1 | -1. TOO YOUNG TO WALK | 1815 |
1.6%
|
| 1 | 1. No, no difficulty | 109435 |
94.1%
|
| 2 | 2. Yes, some | 3334 |
2.9%
|
| 3 | 3. Yes, a lot | 1193 |
1%
|
| 4 | 4. Cannot do | 543 |
0.5%
|