TOP Stats

I'm wondering if theres a bug in stats...
Here is an image of two graphs, the one on the left was from a dude that was clearly worse than me.
His apm is alot lower than mine although all his other stats are better. How is that possible ?

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Here is an image of two graphs, the one on the left was from a dude that was clearly worse than me.
His apm is alot lower than mine although all his other stats are better. How is that possible ?

Uploaded with ImageShack.us