| 摘要 |
A parts market share calculation system includes a completed product residual ratio database, a completed product sales result database, a parts replacement frequency database, and a received parts order database. Residual number table creation means creates a completed product residual number table by totaling the residual number of products for each year by using the annual number of completed products sold in the completed product sales result database and a reference market residual ratio. Maximum parts order receipt calculation means calculates the maximum parts order receipt of a target year from the residual number extracted from the completed product residual number table for the target year, a reference replacement frequency, and the number of parts used per one completed product. Market share calculation means calculates the market share of the target year from the ratio of the number of parts ordered for the target year extracted from the received parts order database with respect to the maximum parts order receipt.
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