;"Tuesday, 15 of April";"Monday, 14 of April";"average on Tuesday";"average for 7 days"
"Visitors during 31 days";28;?;25;28
"Visitors during 7 days";6;?;6;6
"Visitors during a day";2;?;1.5;2
"New (or were not present during 31 days)";1;?;0.75;1
"Continual (present every day during a week)";0;?;0.5;0
"Main body (present every week during a month)";1;?;1;1
"Permanent (present every month or during 4 months)";1;?;1;1