For more details on the functions in this recipe, refer to the following links:
- SUM: https://docs.microsoft.com/en-us/dax/sum-function-dax
- COUNTOWS: https://docs.microsoft.com/en-us/dax/countrows-function-dax
- VALUES: https://docs.microsoft.com/en-us/dax/values-function-dax
- DIVIDE: https://docs.microsoft.com/en-us/dax/divide-function-dax
- DISTINCT: https://docs.microsoft.com/en-us/dax/distinct-function-dax
- BLANKS: https://docs.microsoft.com/en-us/dax/blank-function-dax