Energy drink help?!

Question:

Energy drink help?

I need two things, please.1) the history of energy drinks, and 2) a list of statistics, like average hours of energy, top ten most popular energy drinks, top ten most successful energy drinks, that kind of thing. Thanks.

Answers:

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2 kinds : caffeine and Not caffeine (red bull)
Caffeine , bazillion years ago , average energy ~ 1 hr ,
Red Bull , created in Thailand ~ 20 yrs ago, copied & ; brought west ~ 10 yrs ago, knock offs being created weekly , average energy varies by consumer but many 4+ hrs is my observation.

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