How to create unique categories in a visual

Hi!

I have a visual that shows the total days that a position has been opened. The issue that I've been facing is that when the 'Summary' column has the same name is totals all rows with the same name. I would like to know if it's possible to prevent this from happening as I would like to quantify independent positions even if they are named the same. 

In picture 1 there should be 2 'Business Analyst' bars with 30 and 4 days respectively. 

Any suggestions?.

Best,