aggregation at customer name level

no 

• LFL 2023: For each month, calculate the total 2023 sales only for stores that have sales in both 2023 and 2024 for that same month.
• LFL 2024: For each month, calculate the total 2024 sales only for stores that have sales in both 2023 and 2024 for that same month.
  and in my output there is only month dimension
  

  Month Total 2023 Total 2024 LFL 2023 LFL 2024

  Jan

  20

  35

  20

  27

  Feb

  21

  31

  21

  22

  Mar

  20

  37

  20

  28

  Apr

  32

  33

  12

  33