| Value |
Category |
| 1 |
Concrete/cement, asphalted concrete |
| 2 |
Bitumen road |
| 3 |
Gravel/macadam road |
| 4 |
Pathway |
| 5 |
Other material |
| 9 |
Missing |
| 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.