[[1546214400, 6]
,[1546300800, 9]
,[1546387200, 7]
,[1546560000, 2]
,[1546646400, 3]
,[1546732800, 8]
,[1546819200, 3]
,[1547164800, 1]
,[1547251200, 5]
,[1547337600, 3]
,[1547683200, 2]
,[1548028800, 1]
,[1548374400, 3]
,[1548547200, 4]
,[1548633600, 7]
,[1548720000, 4]
,[1548892800, 4]