;"Saturday, 24 of May";"Friday, 23 of May";"average on Saturday";"average for 7 days"
"Visitors during 31 days";14;?;17;14
"Visitors during 7 days";10;?;8.8;10
"Visitors during a day";2;?;1.2;2
"New (or were not present during 31 days)";1;?;0;1
"Continual (present every day during a week)";1;?;0.25;1
"Main body (present every week during a month)";0;?;1;0