Using relative time (last x days/months/millenia/etc) is not helpful. I have been asked to generate a report in bar graph form (which I assume I will need to use a separate tool for once I have the numbers) of tickets created per month, by type. I can't find any way to do this in Jira.
Before throwing Script Runner out there please understand I am not a programmer.
By the way, for any of you doing date based searches, you may want to look at this:
https://answers.atlassian.com/questions/30949194