| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW | 11 |
1.1%
|
| -7 | DOES NOT APPLY | 2 |
0.2%
|
| 0 | No obstacle | 476 |
46.2%
|
| 1 | Minor obstacle | 199 |
19.3%
|
| 2 | Moderate obstacle | 181 |
17.6%
|
| 3 | Major obstacle | 121 |
11.7%
|
| 4 | Very severe obstacle | 40 |
3.9%
|
| Sysmiss | 2 |