1. A method performed by one or more processing devices, comprising: receiving a request for data associated with search terms; identifying, in a storage device, the data associated with the search terms; identifying search queries descriptive of subject matter of the data associated with the search terms or comprising one or more of the search terms; for each search query of at least a plurality of the search queries: identifying one or more content items that have been sent, by one or more processing devices, to one or more computing systems in response to receiving the search query from the one or more computing systems; for each of the one or more content items, analyzing conversion data of that content item, the conversion data specifying completion of one or more transactions that are attributable to that content item and that occur during a period of time; and determining, based on analyzing the conversion data, an amount of advertising revenue from the one or more transactions that is attributable to the content item during the period of time; and aggregating amounts of advertising revenue attributable to the one or more content items to determine a total amount of advertising revenue attributable to the search query; selecting, from the plurality of the search queries and based on determined total amounts of advertising revenue attributable to the plurality of search queries, one or more search queries for display with the data associated with the search terms; generating data for a graphical user interface that comprises a visual representation of the data associated with the search terms juxtaposed to a visual representation of the one or more search queries selected from the plurality of the search queries, wherein the juxtaposition includes the visual representation of the data associated with the search terms being positioned in proximity to the visual representation of the one or more search queries; and transmitting the data for the graphical user interface to a client device.