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.
Description
Source of information
If not, whom are you travelling with?/Volunteers that picked me up
Imputation and derivation
Imputation
If not, whom are you travelling with?/Volunteers that picked me up
Others
Security
If not, whom are you travelling with?/Volunteers that picked me up
