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
How many months during the last 12 months did you operate this [ENTERPRISE]?
Imputation and derivation
Imputation
How many months during the last 12 months did you operate this [ENTERPRISE]?
Others
Security
How many months during the last 12 months did you operate this [ENTERPRISE]?