11. The system of claim 8 , wherein determining the catchment area matches for each catchment are comprises capping a number of matches for each catchment area in proportion to a geographic size of the catchment area type.
12. The system of claim 11 , wherein determining the catchment area score for each catchment area comprises determining the catchment area score based on constituent catchment area scores determined for catchment areas of the same type and that cover a plurality of different geographic areas.