
Explanation:
Box 1: RG1 only
Box 2: 99 years
With the latest update to Azure Backup, customers can retain their data for up to 99 years in Azure.
Note: A backup policy defines a matrix of when the data snapshots are taken, and how long those snapshots are retained.
The backup policy interface looks like this:

References: https://docs.microsoft.com/en-us/azure/backup/backup-azure-vms-first-look-arm#defining-a-backup-policy
https://blogs.microsoft.com/firehose/2015/02/16/february-update-to-azure-backup-includes-data-retention-up-to-99-years-offline-backup-and-more/