How many licks does it take to get to the center of a Tootsie Pop?

Considering the varying density of the succulent substance surrounding the center of said tootsie pop, and the question of what counts as having reached the center - whether the entire center must be exposed or simply a small portion and if only a small portion, how large an area – plus the varying amounts of the glucose based confection that is removed with each lick, the answer varies for each test subject during every test. Therefore, there is no answer to this question so why are you reading this?