Let's see who's the biggest fan! 
Total time logged in: 17 hours and 36 minutes.
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Updated 8/22/2014:
Total time logged in: 16 days, 10 hours and 5 minutes.
4 minutes Total time logged in: 17 hours and 36 minutes.
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Updated 8/22/2014:
Total time logged in: 16 days, 10 hours and 5 minutes.
Total time logged in: 1 days, 12 hours and 46 minutes.
According to my quick calculations, and counting since my registration date, this means I spend ~9% of my time here.