;"Sunday, 11 of May";"Saturday, 10 of May";"average on Sunday";"average for 7 days"
"Visitors during 31 days";4;?;14;4
"Visitors during 7 days";4;?;9.8;4
"Visitors during a day";3;?;1.8;3
"New (or were not present during 31 days)";2;?;0;2
"Continual (present every day during a week)";0;?;0.5;0
"Main body (present every week during a month)";0;?;0.25;0