Apple has announced that Sales and Trends in App Store Connect now includes subscription offer code data.
Now you can better understand your subscription offer code performance with Sales and Trends dashboards and reports in App Store Connect. Offer code data appears in version 1_3 of the Subscription, Subscription Event, and Subscriber reports, and version 1_1 of the Summary Sales Report.
More details on downloading and viewing reports can be found at the link below.
Facebook, Twitter, LinkedIn, Email, Reddit, Digg, Delicious, StumbleUpon
Facebook, Twitter, LinkedIn, Newsletter, App Store, YouTube
The full article can be found here