1 - Transpose the table 2 - Unpivot all the columns other than Measure 3 - Rename the Measure column as Year 4 - Change the data type of the Year column to Date Reference: https://support.microsoft.com/en-us/office/unpivot-columns-power-query-0f7bad4b-9ea1-49c1-9d95-f588221c7098