| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW | 9 |
0.6%
|
| -7 | DOES NOT APPLY | 10 |
0.7%
|
| 0 | No obstacle | 647 |
45.8%
|
| 1 | Minor obstacle | 316 |
22.4%
|
| 2 | Moderate obstacle | 278 |
19.7%
|
| 3 | Major obstacle | 110 |
7.8%
|
| 4 | Very severe obstacle | 43 |
3%
|
| Sysmiss | 17244 |