Oh huh. I wonder if we have different dump files, then. The file I have is about the same size (33,726,800 records), but the first field (incremental integers) and third field ([username].livejournal.com/profile) are all unique. However, there are a whole bunch of email addresses that show up under hundreds of accounts.

I also keep laughing at the passwords in the first two lines (belonging to bradfitz and eli in my dump).