let
Source = Excel.Workbook(File.Contents("C:\Users\Berna\Downloads\DATA\GC111111.xlsx"), null, true),
GC_Sheet = Source{[Item="GC",Kind="Sheet"]}[Data],
#"Added Index" = Table.AddIndexColumn(GC_Sheet, "Index", 0, 1, Int64.Type),
#"Unpivoted Other Columns" = Table.UnpivotOtherColumns(#"Added Index", {"Index"}, "Attribute", "Value"),
#"Pivoted Column" = Table.Pivot(#"Unpivoted Other Columns", List.Distinct(#"Unpivoted Other Columns"[Attribute]), "Attribute", "Value")
in
#"Pivoted Column"