;"Monday, 28 of April";"Sunday, 27 of April";"average on Monday";"average for 7 days"
"Visitors during 31 days";25;?;21;25
"Visitors during 7 days";3;?;5.8;3
"Visitors during a day";1;?;1.5;1
"New (or were not present during 31 days)";0;?;0.75;0
"Continual (present every day during a week)";1;?;0.25;1
"Main body (present every week during a month)";1;?;1;1
"Permanent (present every month or during 4 months)";1;?;1;1