Name Monday, 21 of April Sunday, 20 of April average on Monday average for 7 days from 30 minutes to 1 hour 0 ? 0.25 0 from 1 to 3 hours 0 ? 0.25 0 from 3 to 12 hours 0 ? 0.5 0 from 12 to 24 hours 3 ? 1.2 3 from 1 to 3 days 0 ? 0.25 0 from 3 to 7 days 1 ? 0.25 1 amount of selected 4 ? 2.8 4 total 4 ? 2.8 4