Cumulative total by week number

I want to produce a line chart that shows the cumulative count of statuses by week number. I can get it to show the count per week, but I am struggling to change this to show the cumulative amount. This is my line chart at the moment:

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Clik here to view.This is my table:

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Clik here to view.

Can anyone help me to get the line chart to show the running total instead of the count per week? (I am new to Power BI!!)

Thanks!