Export permissions of all users Mailbox Folders

Hi, 

I need to check the permission at mailbox folder levels (e.g inbox, sent items, custom created folders etc...) for all our mailboxes. How can I achieve same without running Get-FolderPermission for each folder of each mailbox?

Thanks.

Irfan Goolab SALES ENGINEER (Microsoft UC) MCP, MCSA, MCTS, MCITP, MCT