Available Operations for calculation are:
| Summarize | Summarize all values, from selected fields |
| Summarize currencies | Summarize all values, from selected fields, but round values on 2 decimals before summarize |
| Average | Calculate average from all values, from selected fields |
| Maximum | Calculate max value of all values, from selected fields |
| Minimum | Calculate min value of all values, from selected fields |
| Count | Count number of records, from selected fields |
| Count Unique | Count unique values from selected fields |