Hi!
I don't use FireFox but I did similar profiling using Google Chrome and its Developers Tools. Maybe this could still help you out.
EDIT: I have to repeat the process as screenshots weren't complete
EDIT2: Here are the results:
https://www.dropbox.com/sh/1o8ryux76...1t2b3jgo9V3-Xa
I tried refreshing page for several times and this one time was the worse. Usually load times are below 3.
Also it takes loner time for page to load if you clear up the browser history and chache.
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