The very industrious alixe75 at LJ managed to see how the recent purge affected the top 20 fandoms represented at Fanfiction.net.
The results? Yeah, more than a little terrifying. Thousands of fics gone in a number of fandoms, including more than 17,000 wiped from Harry Potter. Doctor Who had more than 11% of its stories on FF.net wiped, and I had good friends whose accounts were locked during this time.
It looks like a good number of stories were restored in the past week. Going off the original numbers alixe posted from 5/28 prior to the purge, here are the fandoms that recovered and those still missing stories:
Current as of 6/4/2012 at 1 a.m. ET
What I’m guessing is that people whose accounts got locked (like areyoumarriedriver's) had their stories taken out of the fic count until the accounts were unlocked. Charina, for example, has 118 stories to her name.
Also, there are people still posting hundreds of new stories since the original tally was taken four days ago, in addition to accounts becoming unlocked. So that’s why some fandoms (like Doctor Who) appear to have recovered. Still, there is a significant deficit still in fandoms such as Naruto and Twilight.
Regardless, I would seriously consider moving your fanfics off of Fanfiction.net, especially if you write mature-themed stories.