Since the purpose of Code Central is to consolidate and analyze all coverage results, as soon as Collector syncs coverage data with Code Central successfully, the coverage results are removed from Collector.
The only time coverage information is normally displayed in Collector is when an execution has not been sent to Code Central.
Collection Date - The day/month/year/date/time stamp(s), displayed in ascending order, by default.
Duration - Time elapsed in hours to the one-hundredth decimal place.
Build ID - A unique GUID assigned to each execution.
Origin - The machine name where the coverage was collected.
# of Modules - The number of modules covered in the specified execution.
Sync - Sent or Unsent.