Hello Dimitar,
aggregates with subtotals like my example are considered in the future?
Data grouped by COL1:
COL1 COL2 COL3 COL4 COL5 COL6 A 10 B 1 D E A 10 B 2 D E TOT. A 20 3 B 5 B 1 F G B 10 C 5 F G TOT. B 15 6 TOT. 35 9