Compared with the population as a whole, voyeurs and exhibitionists are more sexually active.

According to the study, they are more easily aroused, masturbate more often, and have partner sex more frequently. They’re more sexual in general, so they’re apparently more interested in exploring the fringes of sexual expression.

Read more:

http://www.psychologytoday.com/blog/all-about-sex/201204/voyeurism-and-exhibitionism-how-common-are-they