Patent ID: 8010517

Claim:
A tabulation processing apparatus that tabulates and ranks a plurality of questions, comprising: a storage device that stores a question group constituted by a plurality of questions that are issued from customers; and a central processing unit that extracts questions from the question group stored in the storage device for each elapsed time period to create a question list, the elapsed time period being a time period from a reference time point of each question to a generation time point thereof, the central processing unit classifying and ranking the questions of the question list; wherein the central processing unit outputs ranking information corresponding to a period with the use of the ranking of the questions, the period being from the reference time point to the generation time point of the question, based on the input of the reference time point, and the central processing unit tabulates a question having an earlier reference time point and a question having a later reference time point which have the elapsed time period in common, and creates the question list, which includes questions having the common elapsed time period from the reference time point of each question, for each elapsed time period.