This turned out to be an known issue, it seems the data is getting duplicated from page 3,4 onward and sending the copy of entire file. I'll update you once this is fix.
need some more clarity and required further troubleshooting, do you have access to customercare or if you can share you email address we can get support ticket created for you.
@chrisalvarespmg Can you provide more details, like what request you are making from data warehouse API and response you are getting that will help us in debugging the issue.
Can you provide some more information, when you are saying different value what do you expect in that case, you can have visitors visiting different URL in same visits, that's expected.