| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW | 14 |
1.4%
|
| -7 | DOES NOT APPLY | 5 |
0.5%
|
| 0 | No obstacle | 630 |
61.2%
|
| 1 | Minor obstacle | 197 |
19.1%
|
| 2 | Moderate obstacle | 101 |
9.8%
|
| 3 | Major obstacle | 60 |
5.8%
|
| 4 | Very severe obstacle | 23 |
2.2%
|
| Sysmiss | 2 |