Handle drill down count without groups.
Handle drill down count without groups.

spendb/spendb,pudo/spendb,nathanhilbert/FPA_Core,johnjohndoe/spendb,pudo/spendb,pudo/spendb,spendb/spendb,CivicVision/datahub,USStateDept/FPA_Core,nathanhilbert/FPA_Core,USStateDept/FPA_Core,USStateDept/FPA_Core,nathanhilbert/FPA_Core,openspending/spendb,johnjohndoe/spendb,openspending/spendb,openspending/spendb,johnjohndoe/spendb,CivicVision/datahub,spendb/spendb,CivicVision/datahub