The idstep={79} is my first status. What I want to display is how many codmailing start the process per week (which is 212) but the sum of the count in the rows in more than 212.
Then I want to sum every week this number.
I think there's something wrong with my expressions. The result I want to obtain, is a linechart which shows my trend per week that can only increase of course (rangesum).