TIME

These Graphs Show the Changing Popularity of Porn

Charting the world's most popular genres

Sexualitics is a big data project by a group of sociologists, demographic experts, computer scientists and math experts based in France that seeks to parse human sexuality by studying huge datasets and tracking how popular different genres of porn video uploads are.

Using every video uploaded to the popular adult site xHamster from its creation in 2007 to February 2013, the Sexualitics team built Porngram, a tool that maps porn tags people search for and shows you the terms’ rate of popularity since 2007.

The result is a whole lot of information about the world’s sexual preferences placed into pretty little charts. And really, if we’re being honest, aren’t graphs their own kind of porn?

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Porngram

Films tagged “teen” dropped at the same rate as though with an older theme.

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Porngram

Meanwhile, uploaders seem to be a whole lot more into threesomes recently.

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Porngram

After a brief dip in popularity in 2007, “secretary” and “boss” are on the upswing.

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Porngram

Just in time for Valentine’s Day, we have the adorable statistic that people want the lovey dovey stuff more than the other stuff. Aww.

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Porngram

Blame it on the increased popularity of “revenge porn,” but the tag “revenge” appears to be skyrocketing.

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Porngram

Despite the stagnation of “mature,” “MILF” is on its way up.

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