If a weekly breakdown is requested, Week nodes will be present. These nodes will contain the search results for each week aggregated togeher. This node will always span 7 days, even if 7 days worth of data do not exist within it. This node will contain a number of attributes:

id: an unique integter identifying this week
num_days: the number of days aggregated together in this week
StartDate: the first day included in this week
EndDate: the last day included in this week

No