CONTROL INFORMATION (to be filled out from the existing information, except for a4c )
Categories
Value
Category
1
capital city
2
city with population over 1 million
3
over 250,000 to 1million
4
50,000 to 250,000
5
less than 50,000 population
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.