Hi
I downloaded this example from the internet (please see the link below). The author I think did the merge using power bi data model. I am not sure how the author managed to do that in one table. Please see the next 2 screenshot. I tried to do the data modling
I tried to do the data modling but I got different modling, please see the pic below
The excel source files and the pbi file are here:
https://drive.google.com/drive/folders/1ChLRSjbzKuk7LioiJUWcAVSypMVmiyWg?usp=sharing
If you right click on the 2012 table in the .pbix file you can go to 'Edit Query' and see all the transofrmations the user applied to the files.
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