The easiest way to do that is reshape your data like this:
Month Year Amount_Actual Amount_Plan
1 2016 1000 1100
You can achive this at load script like that:
,if(Act_Plan='Actual',"Sales Amount") as Amount_Actual
,if(Act_Plan='Plan',"Sales Amount") as Amount_Plan
I'm sure this can be achieved by set expression too, but it's more simple.