Output variable quantities from data merge

Hi everyone,

I need to generate multiple labels from a spreadsheet. The last field is Quantity, that represents the number of labels I need to print for each record.

Is there a way to generate a file where each record is repeated N times, where N is the value on the column Quantity? So 20 copies of the first label, then 5 copies of the second, 25 of the third and so on.

Maybe can it be automated with scripts or a third party plugin?

Thanks in advance!