POTD or T'up your post. Eleven out of 474 is under 2.5% who feel solidly enough about your cause and wanting caffeine.
I enjoy Mtn Dew and Dr Pepper, and if we were in Texas, I'd LOVE me some Big Red. But truth be told, at the percentage mentioned above, I doubt your 2.5% will be a sufficient enough "demand" to warrant changes to BYU's offerings.
Just an interesting sidenote: At the prices for soft drinks, you'd be far, FAR better off financially to get your fill of caffeine (and all other foods for that matter) away from the stadium. You can down two or three 2-liter bottles (that's four to six liters) of your favorite caffeinated beverage for the price of a single 20 oz (that's 0.6 liters) sold in the stadium.