I don't think the number of Summary Sales Report data and the data received by the Refund Notification are right.

From 2021.01.01 to 2021.01.31, the Summary Sales Report found 1503 rows with units of -1.

The App Store Server notification found 2508 messages with notification_type of REFUND.

Why is there a difference between the two data?
I don't think the number of Summary Sales Report data and the data received by the Refund Notification are right.
 
 
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