How to add additional aggregate rows to a column
1 After you create a single aggregate value for a column, you can add up to two more aggregate values for the same column. For an order total column, for example, you can create a sum of all the values, count all the values, and get the average order total. To add an aggregate value, select a column that contains an aggregate value. Choose Aggregation from the right-arrow menu.Figure 4-15 Adding an aggregate row for a column