Value |
Category |
1 |
During last week |
2 |
One month ago |
3 |
Three months ago |
4 |
More than 3 months ago |
5 |
Never broke down |
6 |
N/a |
8 |
Dk |
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.