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Thanks a lot Mark, the @"mesverrum" ! You are completely right , I need to transfer those data into time-scale format to have a such kind of visualisation. 

Hi @"mrxinu" and @"mesverrum" ! I apologize for a long time to answer, I just dug the problem down . So @"mrxinu" no, it isn't the thing I have searched for . I want to show to my customer a graph represents a clients amount changing during a particular time period defined by Grafana . The bar panel isn't the thing either…