Are reports affected by archived incidents?

Are reports affected by archived incidents?

Hi I'm trying to run a yearly report to track the number of service requests coming in monthly, by request mode; however the report is clearly showing inaccurate numbers in the early months of the past year.  I assume this may be due to archived service requests.  My question is as in the title: Are reports affected by archived incidents?  and if so, is there a way to run reports that will include archived incidents?  Attached is a picture of the report I ran.

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