The "Dude" Count is also affected by one other unrelated factor—Goa. It increases drastically when the speaker happens to be in Goa. I suppose it is theoretically possible for someone who is very stoned and in Goa, to narrate an entire story solely with the use of the word "Dude".
The views on this blog are not necessarily those of my family, my friends, my girlfriend, my employer or anyone else you might associate with me. Sometimes they are not even mine. If you feel overly offended by anything, please feel free to sue yourself.