Hi I have a dataset where prices are entered on columns with their exact dates but I intend to transform the data into a table that finds the average of the Months based on the column dates.
I have provided an example to illustrate my current database.
An example of my current data is :

I would want to create a table that output would look like this:

I intend to create a table that would be able to update with new data every month so could anyone guide me in the right direction?
Thank you!