;"Friday, 11 of April";"Thursday, 10 of April";"average on Friday";"average for 7 days"
"1 session";75;?;56;75
"2 sessions";15;?;9.5;15
"from 3 to 5 sessions";10;?;8.5;10
"from 6 to 10 sessions";3;?;2.2;3
"more than 10 sessions";0;?;0.5;0
"amount of selected";103;?;77;103
"total";103;?;77;103