In the Redemption Data Report, the 'status' field is considered to be the status of the rewards. There are two types:
1) Staged: It shows the expired rewards
2) Blank: It shows processed/redeemed rewards
As this is the redemption report it will include only staged rewards (or the reward whose redemption codes were generated).
If the redemption code was processed or expired that status will be displayed in the Redemption Code status (Reference article- What is 'Redemption Code Status' in the Redemption Report?).
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