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.
Please enter the quantity. If the respondent is unsure, please estimate. If the respondent does not know the quantity, please select 'Don't know' in the next question below. If the respondent refuses to respond, please select 'Refused to respond' in the next question below. If you enter a quantity, please select 'Known' in the next question below.