Internet, September 2001
date: 21.02.2002
Sample Characteristics /Country Sample/: Representative for the country adult population. Sample size - 1100 people. Quota sample based on the following criteria - age, gender, educational status and type of the inhabitant settlement.
Sample Characteristics /Sofia Sample/: Representative for Sofia 14+ population. Sample size 1000 people. Quota sample based on the following criteria: age, gender, and educational status.
