How to translate column labels

The columns' titles are created dynamically, based on the name of the table's field in your database. To translate them, you need to use the column name:
"Orders","Orders"

Some of the names do not contain the "Total" or "Average" keywords, so you should translate them without "Total" or "Average" keywords (columns with aggregator sum and avg correspondingly).
To translate "Total" and "Average" keywords, you can use the following strings:
"Average %1", "Average %1"
"Total %1", "Total %1"