Value |
Category |
0 |
not an obstacle |
1 |
degree 1 |
2 |
degree 2 |
3 |
degree 3 |
4 |
big obsticle |
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
Sysmiss |
|
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.