In an extensive University of Chicago survey from 1994, "approximately 27% of men surveyed reported masturbating at least once a week,

There are 3 explanations:

• they have a fantastic playmate girl(s)
• they are liars
• they are impotent

Of course, as a scientist, I've tested in triplicate how long I could resist.

The results were 7, 7, and 6 days with 2 involuntary endings and one voluntary stop in order to leave at least enough free RAM memory to safely cross the street.

This is what I hate about XXI century science - we don't have the answers to extremely simple questions.

BTW, here is some statistics:

It's impossible to ignore the top-level stat: that Pornhub averaged 81 million visitors per day (28.5 billion visitors for the year)

And there are 7.600 million people on the Planet.
Number of internet users: 4.200 million
81 million per day = 500 million per week = 20% of internet malakas