Break-off , Interviewer error , Refuse to answer , Don't Know , Do not read at all , Less than 0.5 hour , From 0.5 hour to 1 hour , From 1 hour to 1.5 hours , From 1.5 hours to 2 hours , From 2 hours to 2.5 hours , From 2.5 hours to 3 hours , More than 3 hours , Read, but not daily