| Value | Category | Cases | |
|---|---|---|---|
| 1 | Don't know | 64 |
2.6%
|
| 2 | Not Applicable | 112 |
4.6%
|
| 3 | 1 Not an obstacle | 849 |
35%
|
| 4 | 2 Minor obstacle | 548 |
22.6%
|
| 5 | 3 Moderate obstacle | 483 |
19.9%
|
| 6 | 4 Major obstacle | 368 |
15.2%
|