' Original code for adding to Dictionary:
 
        For Counter = 1 To UBound(arr, 1)
            dic.Item(arr(Counter, 1)) = arr(Counter, 1)
        Next
 
' Alternate code for adding to Dictionary:
 
        On Error Resume Next
        For Counter = 1 To UBound(arr, 1)
            If Not dic.Exists(arr(Counter, 1)) Then dic.Add arr(Counter, 1), arr(Counter, 1)
        Next
        On Error GoTo 0