[[1521331200, 1] ,[1521349200, 7] ,[1521352800, 9] ,[1521356400, 10] ,[1521360000, 15] ,[1521363600, 11] ,[1521367200, 30] ,[1521370800, 21] ,[1521374400, 40] ,[1521378000, 34] ,[1521381600, 21] ,[1521385200, 10] ,[1521388800, 11] ,[1521392400, 14] ,[1521396000, 12] ,[1521399600, 15] ,[1521403200, 23] ,[1521406800, 10] ,[1521410400, 5]