;"Sunday, 13 of April";"Saturday, 12 of April";"average on Sunday";"average for 7 days"
"Visitors during 31 days";32;?;25;32
"Visitors during 7 days";7;?;5.8;7
"Visitors during a day";1;?;0.75;1
"Continual (present every day during a week)";0;?;0.25;0
"Main body (present every week during a month)";1;?;1;1
"Permanent (present every month or during 4 months)";1;?;1;1