It should come as no surprise that the world of adult entertainment, both film and performance, is a popular and lucrative one.
It's worth noting that women's number one key-word search on adult entertainment sites, according to the same study, was 'lesbian', and indeed many female stars feature among women's top 10 favourite adult actors.
Goldie Rush is the designated measurer this time, she being close to the ideal blonde jail-bait girl among 2016's crop of would-be superstars.