Value |
Category |
1 |
murs de protection en roche, terre, terrasses |
4 |
haies |
7 |
canaux, canaux remplis, autres |
8 |
aucun |
97 |
nsp |
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.