| Value |
Category |
| 0 |
Not contacted |
| 1 |
Refused |
| 2 |
Not found |
| 3 |
Closed |
| 4 |
Interviewed |
| 5 |
State company |
| 6 |
Oil company |
| 7 |
Not eligible |
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.