24%
39/9 = 23%
I always thought I joined before I moved to Australia, but the records disagree.
Around 20.6%, going by days.
22% of my 50 years have been spent as a Doper.
25% for me :eek:
Although that’s only 0.64 posts per day which isn’t so excessive 
17%. Eight and a half years!
Well, I’ve been here almost exactly 3 years, so about 8%.
5.46% 17 out of 311 months.
Yeah, but if you weren’t on here, you’d have found some other way to waste it.
~19% for me.
15% from when I first joined not including lurking before that even though I’m still a lurker with less than a couple hundred posts.
About 8 years out of 35. That’s around 20%. Damn.
24% That’s nearly a quarter! Sh…oes.
About 28%, give or take a few days. Whoa. I also lurked for a bit before joining, but I don’t remember any more if it was a few weeks or months, so I’m not counting that.
I’ll probably hit 1500 posts right around my eight year mark, so I’m more of a lurker than a poster, but I like hanging around y’all.
I’m the biggest lurker of them all!
16% out of 61 years. Longer than my first marriage. 
24% on the SDMB. If you count when I first started reading the books, then it jumps to 65%.
But imagine all that intelect you’ve…oh look! A dog with a fluffy tail!!
I think I won this thread the last time we did it:
41%.
Somewhat concerning.
Me, too. Actually, mine is 30%. Sometimes, I can’t believe that I joined up when I was in high school, and now I’ve completed my MA degree.
Not quite 15%.