Citizenship Application - List of Addresses and jobs

[Fae7]

Hi,

I'm filling my citizenship application and they're asking for a list of my addresses and jobs for the last 5 years. I don't remember some of my addresses and dates for some jobs as it was a long time ago. I've looked everywhere and cannot find a record. what should I do? I think i entered these addresses when I completed my permanent residence application , can I access my permanent residence application? or what should I do?

Thank you