Name Saturday, 31 of May Friday, 30 of May average on Saturday average for 7 days 1 day 152 ? 108 152 2 days 6 ? 6.2 6 3-4 days 4 ? 5 4 5-7 days 2 ? 2.2 2 amount of selected 164 ? 122 164 total 164 ? 122 164