Revert "Temporarily comment out aggregation type…"
Revert "Temporarily comment out aggregation type…"

This reverts commit 672d5004c5b2350205dab9d819b3dea135c7ebc4.

pwyf/IATI-Data-Quality,pwyf/IATI-Data-Quality,pwyf/IATI-Data-Quality,pwyf/IATI-Data-Quality