;"Wednesday, 9 of April";"Tuesday, 8 of April";"average on Wednesday";"average for 7 days"
"1 session";17;?;21;17
"2 sessions";2;?;4.2;2
"from 3 to 5 sessions";0;?;1.8;0
"amount of selected";19;?;27;19
"total";19;?;27;19