[[1544400000, 2]
,[1544410800, 2]
,[1544414400, 1]
,[1544425200, 1]
,[1544428800, 3]
,[1544432400, 1]
,[1544439600, 3]
,[1544443200, 4]
,[1544446800, 1]
,[1544450400, 3]
,[1544454000, 1]
,[1544461200, 1]
,[1544464800, 1]
,[1544475600, 5]
,[1544482800, 1]