Promotional Offer ID column is empty in Subscriber report for redeemed offer code

When redeeming a custom offer code, I'm not able to see the actual offer code ID in the Subscriber report - only the subscription offer name is present.

I'm going off of the documentation for the Promotional Offer ID column:

A code that you create for customers to enter and redeem the subscription offer.

https://developer.apple.com/help/app-store-connect/reference/subscriber-report

Is the documentation wrong? How are we supposed to measure the performance of our offer codes beyond the initial redemption?

For example, with the offer name I can see how my "Holiday Promos" offer is doing but can't see the actual performance of "BLACKFRIDAY30" vs "MOTHERSDAY30".

Promotional Offer ID column is empty in Subscriber report for redeemed offer code
 
 
Q