Hello everyone!
This might be really simple but I'm unable to solve it. I have a workflow where I need to Split the rows and group them by Month. The initial data looks like this:

And I would like to make it look like this:

I have managed somehow to do this using Basic table and Render to export it in excel but I need to do it somehow without using basic table(as after this I need to edit the data again using Preparation and Join Tools. Is there any way to do it?
Thank you for the assistance!