Name Friday, 9 of May Thursday, 8 of May average on Friday average for 7 days 1 day 112 ? 123 112 2-3 days 2 ? 1.8 2 4-7 days 1 ? 1.2 1 8-14 days 0 ? 1 0 15-31 days 1 ? 0.5 1 amount of selected 116 ? 128 116 total 116 ? 128 116