How to Migrate Data from PostgreSQL Strapi Version 3 to 4

Hey guys,

I have started migrating from strapi 3.2.5 to 4.9.0, but i need to know how to migrate the PostgreSQL from strapi version 3 to 4.

I have gone through the official documentation but data migration guide is there only for SQL & MongoDB. I have searched a lot & I don’t see any documentation for PostgreSQL v3 to v4 migration.
I can see all the entries in my Strapi Admin but all my data’s are missing. Please find the attached screenshot for reference. Please give me a solution to retrieve data from Strapi v3 to v4 migration.

Thanks in Advance.