Name Saturday, 12 of April Friday, 11 of April average on Saturday average for 7 days from 15 to 30 minutes 0 ? 0.25 0 from 30 minutes to 1 hour 1 ? 0.25 1 from 3 to 12 hours 0 ? 0.25 0 from 12 to 24 hours 2 ? 1.2 2 from 1 to 3 days 0 ? 0.5 0 from 7 to 14 days 0 ? 0.5 0 from 14 to 31 days 1 ? 0.75 1 amount of selected 4 ? 3.8 4 total 4 ? 3.8 4