| Value |
Category |
| -9 |
Dont Know |
| -7 |
Does Not Apply |
| 0 |
No Obstacle |
| 1 |
Minor Obstacle |
| 2 |
Moderate Obstacle |
| 3 |
Major Obstacle |
| 4 |
Severe Obstacle |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.